When Dorothy arrives in Oz, the readers follow her into a land replete with little people, enchanted animals, evil witches, good witches, and eccentric characters. Such is the stuff of fantasy. Readers step outside their reality into a realm where imagination and suspension of disbelief allow anything to happen?and it often does. Yet, within the framework of fantasy is a logic, a consistency that makes this imaginary world so real that it is willingly accepted. This column describes several children's books that fall into this category.