Book Description: Since its debut in 1996, DEXTER'S LAB has been one of Cartoon Network's top-rated shows. Now Scholastic teams up with the boy genius and his pesky sister Dee Dee for original chapter and picture booksDexter is determined to continue his quest for SCIENCE! And to compete with his rival, Mandark, the boy genius must keep his brilliance growing always. So Dexter creates a potion that splits his personality in two -- half to do the thinking and creating, and half to take care of all his daily, mundane tasks like sleeping, eating, and cleaning his room. Only problem is... daily Dexter turns out to be a hairy, growling creature, and thinking Dexter has no idea. There's only one person who can save Dexter now... his silly sister, Dee Dee.