All Contra Costa County library branches offer programs for children, teens, adults and families. All branches will be closed Feb. 17, for Presidents Day. For library hours and updated information, call the local branch or 800-984-4636 or visit www.ccclib.org.

  • At the Martinez Library, Story Time programs are free.

    Mother Goose Time: 10:30-11:30 a.m. Tuesdays through April 15 (no session Feb. 25). There will be stories and songs, followed by a simple craft time. Best for ages 6 months-3 years old.

    Literary Birthdays -- Mark Teague: 3:45-4:45 p.m. Feb. 25. Kids can listen to a chapter, craft a present and write a letter to Mrs. LaRue. There will be birthday cake to enjoy -- or a birthday biscuit -- at the literary birthday party. No wrong turns when they break Mark Teague out of obedience school.

    D-I-Y Tuesday -- Origami by Design: 3:30-4:30 p.m. Feb. 11. Origami artist Charles Esseltine will lead the free workshop showing participants paper design and how to make something fun for Valentine's Day.

    Button Making: 2:30-3:30 p.m. Feb. 12. Teens can learn how to make buttons. All materials will be provided, or participants can bring their own art for a button that can be pinned to clothes or a backpack.

    Saturday Needle Art with Marilyn: 1-3:30 p.m. Feb. 8, 22. Free. Teens and adults can drop in to work on current projects or restart a needle art hobby. Hands-on knit and crochet instructions from Marilyn.

    Computer Docent for Everyday Library Users: noon-2 p.m. Feb. 12, 19, 26. A new computer docent will help patrons with everyday computer and e-reader problems. Use online registration for appointment requests or call the library.

    The library is at 740 Court St., Martinez. Phone: 925-646-9900. Hours: noon-8 p.m. Mondays; 10 a.m.-8 p.m. Tuesdays; noon-5 p.m. Wednesdays and Fridays; and 10 a.m.-5 p.m. Saturdays. It is closed Sundays and Thursdays.

  • At the Pleasant Hill Library, Story Time programs are free.

    Story Time: 11:15-11:45 a.m. Wednesdays, Thursdays, Fridays and Saturdays features songs, movement and simple stories. Good for ages 0-5, but all are welcome.

    Afternoon Story Time: 1:15-1:45 p.m. Fridays. There will be songs, movement and simple stories to introduce children ages 0-5 to literacy.

    Pleasant Hill Teen Advisory Group (TAG): 3:30-5 p.m. Feb. 12. Teens ages 13-18 can meet other teens and the young adult librarian every second Wednesday of the month in Room A to create fun programs and suggest new resources. Participants can receive volunteer hours for their time.

    Let's Talk About It: Muslim Journeys Discussion Series -- The House of Wisdom: 6-7:30 p.m. Feb. 11. High school students and adults are invited to the reading and discussion, led by Dr. Hatem Bazian. The program, How Arabic Science Saved Ancient Knowledge and Gave Us the Renaissance by Jim Al-Khalili, will be held at the Pleasant Hill Senior Center, 233 Gregory Lane.

    Pleasant Hill Library Book Discussion: 6:30 p.m. Feb. 18, in Room A. The discussion is on "A Covert Affair: Julia Child and Paul Child in the OSS," by Jennet Conant.

    One-On-One Computer Tutor: 4-5 and 5-6 p.m. Tuesdays through Feb. 25; and 11 a.m.-noon and noon-1 p.m. Wednesdays, through Feb. 19. Adults can schedule an appointment for a one-hour, one-on-one computer training session.

    The library is at 1750 Oak Park Blvd., Pleasant Hill. Phone: 925-646-6434. Hours: 11 a.m.-6 p.m. Wednesdays, Thursdays; 1-8 p.m. Tuesdays; 10 a.m.-5 p.m. Fridays, Saturdays.