By Dr. Seuss, Author & Illustrator. Have a ball with Dr. Seuss and the Cat in the Hat in this classic picture book…but don’t forget to clean up your mess! A dreary day turns into a wild romp when this beloved story introduces readers to the Cat in the Hat and his troublemaking friends, Thing 1 and Thing 2. A favorite among kids, parents and teachers, this story uses simple words and basic ryhme to encourage and delight beginning readers. For ages 3 and up.