Knock Knock Who's There - Mini Movers Author:Richard Powell They're small but chunky board booksand they're guaranteed to fascinate toddlers with their moving animal illustrations that present charming visual surprises. Each two-page spread has a "who's there?" question and a peephole showing a pair of animal eyes. Kids place a finger into a slot cut into each illustration, give a little push, and ... more »out pops the complete animal. There are six pop-out surprises in every book, and the brightly colored cartoon-style animals who come popping out will delight little boys and girls. Knock on the snail's shell and his grinning head appears. He's just the first of six friendly fellows to amuse toddlers. (Ages 1-4)« less