How Old Is Mr. Tortoise?

KID-FAVORITE FORMAT: This picture book is illustrated in a graphic novel-style throughout, making it perfect for newly independent readers and fans of the format.SNEAKY MATH LESSON: At the heart of this funny friendship story is a math and logic puzzle that will encourage kid readers to practice their deductive reasoning skills.LAUGH-OUT-LOUD READ: The expressive animal characters, unexpected details, and hijinks make for a rollicking read.