A New York Times bestseller! It's Halloween in this companion to the beloved and bestselling classic Chicka Chicka Boom Boom, and there's a spooky surprise in store for everyone's favorite letters! A told B, and B told C, "Let's sneak to the top of the creaky old tree." The classic alphabet chant gets a Halloween twist as the letters sneak their way up the tree, all donning their spiffiest costumes. But when a witch swoops in, and the letters come tumbling down, will that be the end of their Halloween fun...or just the beginning?