Scholastic Magazine 's 100 Greatest Books for Kids. Nearly a million copies in print! Colourful pictures and simple rhyming texts help children guess what's peeking through the die-cut windows in this delightful board book. The anticipation of what's hiding on the next page and the bright, engaging illustrations will keep curious babies and toddlers guessing and giggling all the way to the surprise ending. And don't forget to check out the Peek-a Who Matching Game!