This volume is one of a set of four humorous board books that will entertain even the youngest children. Each time a page is turned, a new animal appears, and its mouth pops open. Ducks, frogs, pigs, lions, and hippopotamuses are just a few of the whimsically drawn creatures found in these titles. A brief description of each animal and its characteristics sound accompanies each illustration. These sturdy books are printed in four-color with pop-up flaps.