From the back cover:
Join Dorothy, the Scarecrow, the Cowardly Lion, and Eureka the talking cat as they set off for adventure in search of the rare, elusive Quipperug. Meet Knotboy, the magical living toy, made entirely of wood. Journey to the fabulous Secret Island floating inside a mysterious mountain that could only exist in the wondrous world of Oz! An illustrated expedition to Oz told in the timeless tradition of L. Frank Baum and John R. Neill.