This event is in the "Elementary School Age" group This event is in the "Middle School Age" group This event is in the "Teens" group This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Chess Club Friday, August 21, 2026 at 3:30pm - 5:00pm PR - Community Room - Pacific Highlands Ranch at Pacific Highlands Ranch Library Program Type: Community Engagement Age Group: Elementary School Age, Middle School Age, Teens, Emerging Adults, Adults, Older Adults How about a game of chess? All levels of chess experience are welcome, from beginners to advanced. If you don't know how to play chess, you can learn at Chess Club! View Details This event is in the "Elementary School Age" group This event is in the "Middle School Age" group This event is in the "Teens" group This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Aug 21 2026 Fri Chess Club 3:30pm–5:00pm Pacific Highlands Ranch Library Remaining seats Remaining waitlist seats Library Branch: Pacific Highlands Ranch Library Room: PR - Community Room - Pacific Highlands Ranch Age Group: Elementary School Age, Middle School Age, Teens, Emerging Adults, Adults, Older Adults Program Type: Community Engagement Event Details: How about a game of chess? All levels of chess experience are welcome, from beginners to advanced. If you don't know how to play chess, you can learn at Chess Club!
This event is in the "Preschoolers" group Dancing Through the Pages Friday, August 21, 2026 at 4:00pm - 4:45pm RB - Bill & Marcia Collins Community Room - Rancho Bernardo at Rancho Bernardo Library Program Type: Early Learning, Literature, Performing Arts Age Group: Preschoolers Southern California Ballet is partnering with the Rancho Bernardo Branch Library for “Dancing Through the Pages,” a program that allows children to explore movement and dance through storytelling! View Details This event is in the "Preschoolers" group Aug 21 2026 Fri Dancing Through the Pages 4:00pm–4:45pm Rancho Bernardo Library Remaining seats Remaining waitlist seats Library Branch: Rancho Bernardo Library Room: RB - Bill & Marcia Collins Community Room - Rancho Bernardo Age Group: Preschoolers Program Type: Early Learning, Literature, Performing Arts Event Details: Southern California Ballet is partnering with the Rancho Bernardo Branch Library for “Dancing Through the Pages,” a program that allows children to explore movement and dance through storytelling!
This event is in the "Elementary School Age" group STEAM Explorers Club Friday, August 21, 2026 at 4:00pm - 5:00pm CT - Community Room - City Heights/Weingart at City Heights/Weingart Library Program Type: Community Engagement, Science/STEAM Age Group: Elementary School Age STEAM Explorers Club is for 3rd through 6th graders who are interested in STEAM (Science, Technology, Engineering, Arts, & Mathematics). Each week kids engage in a new and fun hands-on/minds-on activity exploring a wide range of subjects. View Details This event is in the "Elementary School Age" group Aug 21 2026 Fri STEAM Explorers Club 4:00pm–5:00pm City Heights/Weingart Library Remaining seats Remaining waitlist seats Library Branch: City Heights/Weingart Library Room: CT - Community Room - City Heights/Weingart Age Group: Elementary School Age Program Type: Community Engagement, Science/STEAM Event Details: STEAM Explorers Club is for 3rd through 6th graders who are interested in STEAM (Science, Technology, Engineering, Arts, & Mathematics). Each week kids engage in a new and fun hands-on/minds-on activity exploring a wide range of subjects.
This event is in the "All Ages" group Downtown Chess @ San Diego Central Library/1st Floor Lobby Friday, August 21, 2026 at 4:00pm - 5:30pm AC - Lobby - Central at Central Library Program Type: Community Engagement Age Group: All Ages Join us every Thursday and Friday from 4:00pm - 5:30pm for Chess in the 1st floor main lobby. Downtown Chess meets in the 1st floor main lobby of the San Diego Central Library. View Details This event is in the "All Ages" group Aug 21 2026 Fri Downtown Chess @ San Diego Central Library/1st Floor Lobby 4:00pm–5:30pm Central Library Remaining seats Remaining waitlist seats Library Branch: Central Library Room: AC - Lobby - Central Age Group: All Ages Program Type: Community Engagement Event Details: Join us every Thursday and Friday from 4:00pm - 5:30pm for Chess in the 1st floor main lobby. Downtown Chess meets in the 1st floor main lobby of the San Diego Central Library.
This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Ikebana: The Japanese Art of Flower Arranging Saturday, August 22, 2026 at 9:30am - 2:30pm LJ - Seminar Room - La Jolla/Riford at La Jolla/Riford Library Program Type: Art, Cultural Appreciation Age Group: Emerging Adults, Adults, Older Adults Make a beautiful flower arrangement to take home! View Details This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Aug 22 2026 Sat Ikebana: The Japanese Art of Flower Arranging 9:30am–2:30pm La Jolla/Riford Library Remaining seats Remaining waitlist seats Library Branch: La Jolla/Riford Library Room: LJ - Seminar Room - La Jolla/Riford Age Group: Emerging Adults, Adults, Older Adults Program Type: Art, Cultural Appreciation Event Details: Make a beautiful flower arrangement to take home!
This event is in the "Babies/Toddlers" group This event is in the "Preschoolers" group This event is in the "Elementary School Age" group Dance Pants Bash! Saturday, August 22, 2026 at 10:00am - 10:30am MH - Community Room - Mission Hills/Hillcrest at Mission Hills-Hillcrest/Knox Library Age Group: Babies/Toddlers, Preschoolers, Elementary School Age Bring the littles and come for a fun dance party and maybe a storytime! We will dance to fun songs, use egg shakers, and dance with bubbles! View Details This event is in the "Babies/Toddlers" group This event is in the "Preschoolers" group This event is in the "Elementary School Age" group Aug 22 2026 Sat Dance Pants Bash! 10:00am–10:30am Mission Hills-Hillcrest/Knox Library Remaining seats Remaining waitlist seats Library Branch: Mission Hills-Hillcrest/Knox Library Room: MH - Community Room - Mission Hills/Hillcrest Age Group: Babies/Toddlers, Preschoolers, Elementary School Age Event Details: Bring the littles and come for a fun dance party and maybe a storytime! We will dance to fun songs, use egg shakers, and dance with bubbles!
This event is in the "Babies/Toddlers" group This event is in the "Preschoolers" group Dance Pants Jam Saturday, August 22, 2026 at 10:30am - 11:00am CM - Community Room - Carmel Mountain Ranch at Carmel Mountain Ranch Library Program Type: Early Learning, Wellness Age Group: Babies/Toddlers, Preschoolers Let’s get those wiggles out! Kids are invited to dance, sing, and shake along to all their favorite songs—think “Baby Shark,” “The Wheels on the Bus,” and plenty more. View Details This event is in the "Babies/Toddlers" group This event is in the "Preschoolers" group Aug 22 2026 Sat Dance Pants Jam 10:30am–11:00am Carmel Mountain Ranch Library Remaining seats Remaining waitlist seats Library Branch: Carmel Mountain Ranch Library Room: CM - Community Room - Carmel Mountain Ranch Age Group: Babies/Toddlers, Preschoolers Program Type: Early Learning, Wellness Event Details: Let’s get those wiggles out! Kids are invited to dance, sing, and shake along to all their favorite songs—think “Baby Shark,” “The Wheels on the Bus,” and plenty more.
This event is in the "Preschoolers" group Preschool Storytime with Mr. Luan (IN-PERSON) Saturday, August 22, 2026 at 10:30am - 11:15am LV - Meeting Room - Linda Vista at Linda Vista Library Program Type: Community Engagement, Literature, Performing Arts Age Group: Preschoolers These Storytimes, good for kids ages 4 to 6, are fun, kinetic, and humorous experiences! I make it a point not just to read books, but to perform them as well! View Details This event is in the "Preschoolers" group Aug 22 2026 Sat Preschool Storytime with Mr. Luan (IN-PERSON) 10:30am–11:15am Linda Vista Library Remaining seats Remaining waitlist seats Library Branch: Linda Vista Library Room: LV - Meeting Room - Linda Vista Age Group: Preschoolers Program Type: Community Engagement, Literature, Performing Arts Event Details: These Storytimes, good for kids ages 4 to 6, are fun, kinetic, and humorous experiences! I make it a point not just to read books, but to perform them as well!
This event is in the "Elementary School Age" group This event is in the "Middle School Age" group Lego Club Saturday, August 22, 2026 at 10:30am - 11:30am SC - Winer Family Community Room & Art Gallery - San Carlos at San Carlos Library Age Group: Elementary School Age, Middle School Age View Details This event is in the "Elementary School Age" group This event is in the "Middle School Age" group Aug 22 2026 Sat Lego Club 10:30am–11:30am San Carlos Library Remaining seats Remaining waitlist seats Library Branch: San Carlos Library Room: SC - Winer Family Community Room & Art Gallery - San Carlos Age Group: Elementary School Age, Middle School Age
This event is in the "Babies/Toddlers" group This event is in the "Preschoolers" group Saturday Story Time in the Park Saturday, August 22, 2026 at 10:30am - 11:30am KN - Park Area - Kensington at Kensington-Normal Heights Library Program Type: Community Engagement, Early Learning, Literature Age Group: Babies/Toddlers, Preschoolers Saturday is Story Time in Kensington Park. Bring a blanket to sit on and get ready for stories, music, and bubbles! Recommended for ages 1-5. Older siblings are welcome to join in on the fun! View Details This event is in the "Babies/Toddlers" group This event is in the "Preschoolers" group Aug 22 2026 Sat Saturday Story Time in the Park 10:30am–11:30am Kensington-Normal Heights Library Remaining seats Remaining waitlist seats Library Branch: Kensington-Normal Heights Library Room: KN - Park Area - Kensington Age Group: Babies/Toddlers, Preschoolers Program Type: Community Engagement, Early Learning, Literature Event Details: Saturday is Story Time in Kensington Park. Bring a blanket to sit on and get ready for stories, music, and bubbles! Recommended for ages 1-5. Older siblings are welcome to join in on the fun!
This event is in the "All Ages" group Garden Exchange Saturday, August 22, 2026 at 10:30am - 12:00pm Pacific Highlands Ranch Library Program Type: Wellness Age Group: All Ages Stop and Swap: Seeds, Plants, Veggies, Fruits, Flowers and More!Too many zucchinis? Lots of cut flowers? Succulents getting too big? Ordered too many radish seeds? CSA box full of vegetables you won't eat? View Details This event is in the "All Ages" group Aug 22 2026 Sat Garden Exchange 10:30am–12:00pm Pacific Highlands Ranch Library Remaining seats Remaining waitlist seats Library Branch: Pacific Highlands Ranch Library Age Group: All Ages Program Type: Wellness Event Details: Stop and Swap: Seeds, Plants, Veggies, Fruits, Flowers and More!Too many zucchinis? Lots of cut flowers? Succulents getting too big? Ordered too many radish seeds? CSA box full of vegetables you won't eat?
This event is in the "Preschoolers" group This event is in the "Elementary School Age" group This event is in the "Middle School Age" group This event is in the "Teens" group Paws to Read Saturday, August 22, 2026 at 11:00am - 12:00pm NC - Meeting Room - North Clairemont at North Clairemont Library Program Type: Featured, Accessibility, Early Learning, Homework Help, Literature, Wellness Age Group: Preschoolers, Elementary School Age, Middle School Age, Teens Children Ages 3+ can read aloud to trained and certified therapy dogs. “Paws to Read” is designed to help children improve their reading skills and confidence in reading out loud. View Details This event is in the "Preschoolers" group This event is in the "Elementary School Age" group This event is in the "Middle School Age" group This event is in the "Teens" group Aug 22 2026 Sat Paws to Read 11:00am–12:00pm North Clairemont Library Remaining seats Remaining waitlist seats Library Branch: North Clairemont Library Room: NC - Meeting Room - North Clairemont Age Group: Preschoolers, Elementary School Age, Middle School Age, Teens Program Type: Featured, Accessibility, Early Learning, Homework Help, Literature, Wellness Event Details: Children Ages 3+ can read aloud to trained and certified therapy dogs. “Paws to Read” is designed to help children improve their reading skills and confidence in reading out loud.
This event is in the "Preschoolers" group This event is in the "Elementary School Age" group This event is in the "Middle School Age" group LEGO Free Play Saturday, August 22, 2026 at 11:00am - 1:00pm NC - Children's Area - North Clairemont at North Clairemont Library Program Type: Art, Early Learning, Science/STEAM Age Group: Preschoolers, Elementary School Age, Middle School Age LEGO Free Play: Imagine and build with LEGO! Keep your engineering and problem-solving skills sharp using the library's LEGO bricks. View Details This event is in the "Preschoolers" group This event is in the "Elementary School Age" group This event is in the "Middle School Age" group Aug 22 2026 Sat LEGO Free Play 11:00am–1:00pm North Clairemont Library Remaining seats Remaining waitlist seats Library Branch: North Clairemont Library Room: NC - Children's Area - North Clairemont Age Group: Preschoolers, Elementary School Age, Middle School Age Program Type: Art, Early Learning, Science/STEAM Event Details: LEGO Free Play: Imagine and build with LEGO! Keep your engineering and problem-solving skills sharp using the library's LEGO bricks.
Innovation Station Science Fun! Saturday, August 22, 2026 at 11:30am - 12:30pm LJ - IDEA Lab - La Jolla/Riford at La Jolla/Riford Library Program Type: IDEA Labs/Makerspaces, Science/STEAM Join us at the Innovation Station where we'll learn about electricity by making LED light up cards. All supplies are provided and no reservations are needed. Open to kids of all ages. View Details Aug 22 2026 Sat Innovation Station Science Fun! 11:30am–12:30pm La Jolla/Riford Library Remaining seats Remaining waitlist seats Library Branch: La Jolla/Riford Library Room: LJ - IDEA Lab - La Jolla/Riford Program Type: IDEA Labs/Makerspaces, Science/STEAM Event Details: Join us at the Innovation Station where we'll learn about electricity by making LED light up cards. All supplies are provided and no reservations are needed. Open to kids of all ages.
This event is in the "Elementary School Age" group This event is in the "Middle School Age" group This event is in the "Teens" group IDEA lab CAD club school aged kids & teens Saturday, August 22, 2026 at 1:00pm - 2:30pm LJ - IDEA Lab - La Jolla/Riford at La Jolla/Riford Library Program Type: IDEA Labs/Makerspaces, Science/STEAM Age Group: Elementary School Age, Middle School Age, Teens Beginner friendly computer-aided design (CAD) projects such as keychains and simple geometric models. 3D printing available during class. Open to all school aged children. No previous experience necessary. No reservations needed. View Details This event is in the "Elementary School Age" group This event is in the "Middle School Age" group This event is in the "Teens" group Aug 22 2026 Sat IDEA lab CAD club school aged kids & teens 1:00pm–2:30pm La Jolla/Riford Library Remaining seats Remaining waitlist seats Library Branch: La Jolla/Riford Library Room: LJ - IDEA Lab - La Jolla/Riford Age Group: Elementary School Age, Middle School Age, Teens Program Type: IDEA Labs/Makerspaces, Science/STEAM Event Details: Beginner friendly computer-aided design (CAD) projects such as keychains and simple geometric models. 3D printing available during class. Open to all school aged children. No previous experience necessary. No reservations needed.
This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Page Turners Book Club Saturday, August 22, 2026 at 1:00pm - 2:30pm NU - Seminar 1 - North University at North University Community Library Program Type: Book Discussion, Literature Age Group: Emerging Adults, Adults, Older Adults The Page Turners title for this month will be posted at a later date. Please contact library staff if you have any questions. View Details This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Aug 22 2026 Sat Page Turners Book Club 1:00pm–2:30pm North University Community Library Remaining seats Remaining waitlist seats Library Branch: North University Community Library Room: NU - Seminar 1 - North University Age Group: Emerging Adults, Adults, Older Adults Program Type: Book Discussion, Literature Event Details: The Page Turners title for this month will be posted at a later date. Please contact library staff if you have any questions.
This event is in the "All Ages" group Chess Club Saturday, August 22, 2026 at 2:00pm - 3:00pm SK - Children's Nook - Skyline Hills at Skyline Hills Library Program Type: Community Engagement, Wellness Age Group: All Ages Saturday of each month, come and join us with Mr. Jesus to learn the skills of playing Chess. For all ages. View Details This event is in the "All Ages" group Aug 22 2026 Sat Chess Club 2:00pm–3:00pm Skyline Hills Library Remaining seats Remaining waitlist seats Library Branch: Skyline Hills Library Room: SK - Children's Nook - Skyline Hills Age Group: All Ages Program Type: Community Engagement, Wellness Event Details: Saturday of each month, come and join us with Mr. Jesus to learn the skills of playing Chess. For all ages.
This event is in the "Elementary School Age" group This event is in the "Middle School Age" group This event is in the "Teens" group This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group 3D Lab Open Hours Saturday, August 22, 2026 at 2:30pm - 5:30pm LJ - IDEA Lab - La Jolla/Riford at La Jolla/Riford Library Program Type: IDEA Labs/Makerspaces, Science/STEAM Age Group: Elementary School Age, Middle School Age, Teens, Emerging Adults, Adults, Older Adults We are excited to offer 3D Printing in person! Stop by the La Jolla/Riford Library's IDEA Lab during open lab hours with your .STL file and staff will be happy to assist you. View Details This event is in the "Elementary School Age" group This event is in the "Middle School Age" group This event is in the "Teens" group This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Aug 22 2026 Sat 3D Lab Open Hours 2:30pm–5:30pm La Jolla/Riford Library Remaining seats Remaining waitlist seats Library Branch: La Jolla/Riford Library Room: LJ - IDEA Lab - La Jolla/Riford Age Group: Elementary School Age, Middle School Age, Teens, Emerging Adults, Adults, Older Adults Program Type: IDEA Labs/Makerspaces, Science/STEAM Event Details: We are excited to offer 3D Printing in person! Stop by the La Jolla/Riford Library's IDEA Lab during open lab hours with your .STL file and staff will be happy to assist you.
This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Adult Coloring Club Saturday, August 22, 2026 at 3:30pm - 4:30pm TS - Main Area - Tierrasanta at Tierrasanta Library Program Type: Art Age Group: Emerging Adults, Adults, Older Adults The Tierrasanta Library Adult Coloring Club is a group that gathers to color for relaxation and creativity. We meet in-person every Saturday afternoon, offering a space for social interaction and sharing artistic expressions. View Details This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Aug 22 2026 Sat Adult Coloring Club 3:30pm–4:30pm Tierrasanta Library Remaining seats Remaining waitlist seats Library Branch: Tierrasanta Library Room: TS - Main Area - Tierrasanta Age Group: Emerging Adults, Adults, Older Adults Program Type: Art Event Details: The Tierrasanta Library Adult Coloring Club is a group that gathers to color for relaxation and creativity. We meet in-person every Saturday afternoon, offering a space for social interaction and sharing artistic expressions.
This event is in the "Teens" group This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Cinema Club Saturday, August 22, 2026 at 4:00pm - 5:00pm OK - Main Area - Oak Park at Oak Park Library Program Type: Featured, Book Discussion, Films Age Group: Teens, Emerging Adults, Adults, Older Adults Love movies and TV shows? View Details Registration Encouraged This event is in the "Teens" group This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Aug 22 2026 Sat Cinema Club 4:00pm–5:00pm Oak Park Library Remaining seats Remaining waitlist seats Library Branch: Oak Park Library Room: OK - Main Area - Oak Park Age Group: Teens, Emerging Adults, Adults, Older Adults Program Type: Featured, Book Discussion, Films Registration Encouraged Event Details: Love movies and TV shows?
This event is in the "Teens" group This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Digital Navigator Monday, August 24, 2026 at 11:30am - 3:15pm SK - Lobby - Skyline Hills at Skyline Hills Library Program Type: Accessibility, Community Engagement Age Group: Teens, Emerging Adults, Adults, Older Adults The Digital Navigator Program offers free, one-on-one assistance to help improve computer skills or get basic tech support. Digital Navigators are tech experts who are available to answer your "How to ....." questions. View Details This event is in the "Teens" group This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Aug 24 2026 Mon Digital Navigator 11:30am–3:15pm Skyline Hills Library Remaining seats Remaining waitlist seats Library Branch: Skyline Hills Library Room: SK - Lobby - Skyline Hills Age Group: Teens, Emerging Adults, Adults, Older Adults Program Type: Accessibility, Community Engagement Event Details: The Digital Navigator Program offers free, one-on-one assistance to help improve computer skills or get basic tech support. Digital Navigators are tech experts who are available to answer your "How to ....." questions.
This event is in the "Babies/Toddlers" group This event is in the "Preschoolers" group Songs and Stories with Ms Amy Monday, August 24, 2026 at 12:00pm - 12:30pm LJ - Children's Area - La Jolla/Riford at La Jolla/Riford Library Program Type: Early Learning Age Group: Babies/Toddlers, Preschoolers Read along and sing for this fun interactive storytime. We will read picture books, move our bodies, act out stories, and sing fun songs and silly rhymes to build our skills with words and language. View Details This event is in the "Babies/Toddlers" group This event is in the "Preschoolers" group Aug 24 2026 Mon Songs and Stories with Ms Amy 12:00pm–12:30pm La Jolla/Riford Library Remaining seats Remaining waitlist seats Library Branch: La Jolla/Riford Library Room: LJ - Children's Area - La Jolla/Riford Age Group: Babies/Toddlers, Preschoolers Program Type: Early Learning Event Details: Read along and sing for this fun interactive storytime. We will read picture books, move our bodies, act out stories, and sing fun songs and silly rhymes to build our skills with words and language.
This event is in the "Adults" group This event is in the "Older Adults" group Stay Sharp with Games Monday, August 24, 2026 at 2:00pm - 3:45pm VA - Community Room - Carmel Valley at Carmel Valley Library Program Type: Community Engagement, Wellness Age Group: Adults, Older Adults Feeling forgetful? Preserving your mental abilities as you get older is easier than you might think — and it can even be fun. Stimulating your mind by playing games and learning new skills can help keep your brain healthy as you age. View Details This event is in the "Adults" group This event is in the "Older Adults" group Aug 24 2026 Mon Stay Sharp with Games 2:00pm–3:45pm Carmel Valley Library Remaining seats Remaining waitlist seats Library Branch: Carmel Valley Library Room: VA - Community Room - Carmel Valley Age Group: Adults, Older Adults Program Type: Community Engagement, Wellness Event Details: Feeling forgetful? Preserving your mental abilities as you get older is easier than you might think — and it can even be fun. Stimulating your mind by playing games and learning new skills can help keep your brain healthy as you age.
This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Rummikub at the Library Monday, August 24, 2026 at 2:00pm - 4:00pm RB - Frank Lenfesty Seminar Room - Rancho Bernardo at Rancho Bernardo Library Program Type: Featured, Community Engagement Age Group: Emerging Adults, Adults, Older Adults Come and join the fun!Meet new people and learn to play this fast-paced, easy, and very enjoyable game. Plus, it helps develop and sharpen sequencing, pattern recognition, and pattern skills. View Details This event is in the "Emerging Adults" group This event is in the "Adults" group This event is in the "Older Adults" group Aug 24 2026 Mon Rummikub at the Library 2:00pm–4:00pm Rancho Bernardo Library Remaining seats Remaining waitlist seats Library Branch: Rancho Bernardo Library Room: RB - Frank Lenfesty Seminar Room - Rancho Bernardo Age Group: Emerging Adults, Adults, Older Adults Program Type: Featured, Community Engagement Event Details: Come and join the fun!Meet new people and learn to play this fast-paced, easy, and very enjoyable game. Plus, it helps develop and sharpen sequencing, pattern recognition, and pattern skills.