Jean Marzollo and Walter Wick present the third title in the best-selling new series of I Spy Little Board Books! Toddlers can search for all their Favourite vehicles — a school bus, a sailboat, a taxi, a dump truck, cars, trains, planes, and even a helicopter — with riddles that are illustrated with picture clues so even the youngest children can join in the I Spy fun. A bright and fun learning tool, this I Spy board book invites toddlers and preschoolers to find the hidden cars, trains, and other "things that go" using simple, rhyming clues. 2007