How Old Is Mr. Tortoise?

From the author of I DonÆt Want to Be a Frog comes a hilarious new picture book that asks readers to solve one very important mysteryItÆs Mr. TortoiseÆs birthday, and he canÆt wait to eat cake with his friends. But thereÆs a hitch! Mr. Tortoise canÆt remember how old he is, so his friends donÆt know how many candles to put on the cake. And they wonÆt stop (or slice) until they figure out the mystery.Could Mr. Tortoise be as many years old as there are sections on his shell? HeÆs twice as big as the smaller tortoise . . . so is he twice as old? After the partygoers work through a variety of possibilities, they find their way to the answer with a simple bit of addition.With text from I DonÆt Want to Be a Frog author Dev Petty and hilarious graphic novelûstyle illustrations from Ruth Chan, How Old Is Mr. Tortoise? will have readers guessing the answer from beginning to end.