Wear your jammies for an evening full of fun activities, games, crafts, stories, pizza, and much more! Kindergarten through 6th grade students are invited to spend the evening at the library beginning at 6:30 p.m. until 10:30 p.m. Families will be locked in the library and must stay for the full event. Space is limited and in person pre-registration is required. Parent participation is also required. Late-comers will not be admitted. Registration for Yorba Linda Residents begins February 19 and open registration begins March 11.