Jeremy Thatcher, Dragon Hatcher - Bruce Coville

When Jeremy Thatcher stumbles into Mr. Elives magic shop, he leaves with a small marbled dragons egg. When it hatches, Jeremys wildest dreams take wing. Illustrations. Sixth-grader Jeremy Thatcher discovers a strange magic shop he has never seen before. He enters, and his life is changed forever. Buying what he thinks is a marble, he discovers he has really purchased a dragon's egg.