Explore the Chappaqua Children’s Book Festival at the Metro North station, featuring 160+ beloved authors and illustrators for kids ages 0–18. Meet creators like Alyssa Satin Capucilli (Biscuit), Victoria Kann (Pinkalicious), and Dan Gutman (My Weird School), plus many newcomers. Enjoy games and activities in the fun zone, a food truck roundup, and don’t miss the Bubble Bus at 3 p.m. Free parking and admission; books available for signing and purchase.