Part counting game, part dinosaur celebration, this energetic romp is a numbers concept book for the ages. One-osaurus, two-osaurus, three-osaurus, four Look there, in a child's bedroom, where some prehistoric pals are gathered in a counting game. Nine dinosaurs are playing a sing-song rendition of hide-and-seek--but something isn't adding up. Where is number ten? Stomp, stomp, stomp CHOMP, CHOMP, CHOMP ...