Martin Library,159 E. Market St., York, offers these programs this month. Call 846-5300 for more information.

* West Shore Babywearers, 10:30 a.m. Saturday. For those parents and caregivers interested in learning the art of traditional babywearing, and/or for those who would like to meet other babywearers in the local area.

* Leap Into Science Family Fun, "The Force Is With You," 10:30 a.m. Saturday. Join the library staff and York College students to explore the world of magnets. Do hands-on experiments and discover what the "Force" is. Space is limited, parents should plan to attend with children.

* YCPD Youth Outreach Program, 3 p.m. Wednesday. Police visit and play video games with kids up to age 15. Pizza and snacks are provided.

* Big Book Sale, all day Friday, Nov. 30. Used book sale in the atrium. Get a bag of books for $5.