A chapter book for taking that big step up from easy readers into ""real"" books. Adam, troubled by teasing, creates an imaginary friend when he draws a dragon in the sand and it comes alive. The two are a perfect pair; the little dragon has run away from dragonschool after being ridiculed for having only one head. In a series of cleverly designed episodes, he helps Adam gain new confidence. In one, the dragon talks Adam out of his daily chocolate bar by creating a diversion--inventing ""chocolate fire"" by dropping the chocolate into the wood stove--a treat for a fire-eating dragon. In others, the dragon learns to write, read, and turn a somersault for Adam, who didn't know how well he could do these things until he had to teach them to his new friend. The little dragon, too, has a fresh outlook and yearns to be back among his dragon friends to prove that it isn't how many heads you have but how you use the one you've got that counts. A fine story in an easy, fluid style. The inevitable separation, when Adam no longer needs his imaginary friend, is handled nicely. The pencil drawings capture the sensitive nature of the friendship yet maintain its whimsy and fun. The little dragon pal is a charmer.