Robots are perennial kid-favorites. In this series, acclaimed illustrator Marc Rosenthal's vividly colored, retro-futuristic robots encourage kids age 2 to 5 to lift the flaps and learn all about basic concepts. One Robot Lost His Head follows the travails of a slightly clumsy robot who can't quite keep track of his own head, and the smart robot pals who help him find it. A gatefold on each spread opens to reveal a visual punch line that teaches kids...