All Contra Costa County library branches offer programs for children, teens, adults and families. All branches will be closed Feb. 18 for the observance of 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 a.m.-11:30 a.m. Tuesdays through Feb. 26. Best for ages 6 months to 3 years old, it features, bounces, tickles and rhymes, followed by a simple craft time for motor skills and creative expression.

    Leung's White Crane Lion Dancers: 6:30-7:30 p.m. Feb. 12. All ages are invited to celebrate Chinese New Year with the White Crane Lion Dancers and their costumes and acrobatics. Participants can bring a little "lettuce" to feed the lion.

    100th Birthday Celebration: A Walk Down Memory Lane: 2-4 p.m. Feb. 9. Adults are invited for history and entertainment celebrating the 100th anniversary of the Contra Costa Library. Andrea Blachman, director of Martinez Museum, will give a presentation of Martinez Library, followed by refreshments and music by Joyful Noise.

    The library is at 740 Court St., Martinez. Phone: 925-646-2898. 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.

    Mother Goose Time: 11:15-11:45 a.m. Wednesdays and Fridays; and also 1:15-1:45 p.m. Fridays. There will be songs, rhymes, bounces, tickles and simple stories for tots up to age 3.

    Preschool Storytime: 11:15-11:45 a.m. Thursdays features stories and songs for preschoolers and toddlers, ages 3-5.

    Saturday Storytime: 11:15-11:45 a.m. Saturdays, for babies, preschoolers and kids. There will be stories, songs and more.

    Afternoon Storytime: 1:15-1:45 p.m. Fridays. There will be songs, rhymes, bounces and simple stories to introduce children ages 0-3 to literacy.

    Lego Creators Club: 2-3 p.m. Feb. 2. Kids ages 5-11 can let their imaginations run wild at the monthly get-together. There will be new themes, tips and challenges, plus book tie-ins to take home.

    Wii Thursdays for Teens: 3-4:30 p.m. Feb. 7, 21. Teens are invited meet others and play games on the library's Wii system.

    Valentine's Day Family Story Time: 6:30-7:30 p.m. Feb. 12. Children are invited for songs and stories about Valentine's Day, and are welcome to come dressed in red or pink.

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

    Contra Costa Teen Chess Club: 3-5 p.m. Fridays. Students 12-17 can get instruction and participate in matches and tournaments. Participants who have them are encouraged to bring their own chess board and pieces.

    Pleasant Hill Library Book Discussion: 6:30 p.m. in Room A. On Feb. 19, the discussion will be on David Brook's "The Social Animal: The Hidden Sources of Love, Character, and Achievement."

    Afternoon Book Discussion: 1-2:30 p.m. Feb. 1. Adults can read with others at the library and discuss "Great House," by Nicole Krauss.

    Volunteer Orientation: 3-4 p.m. Feb. 2, 16. Teens and adults can apply to be a library volunteer. Participants will tour the library with a trained staff member who will give them the details of volunteering.

    One-On-One Computer Tutor: 11 a.m.-noon and noon-1 p.m. Feb. 6. Adults can scheduled an appointment for a one-hour, one-on-one computer training session to learn the basics and set up an email account, print and save on the library computer, use Microsoft Word and search the Internet.

    Las Juntas Artists Association: Each month the group exhibits the works of different artists during regular library hours. In January, the watercolor paintings of Judi Visscher will be on display.

    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.