Dorothy and the Wizard in Oz

42 illustrations, some color, some black-and-white. According to Wikipedia: "Dorothy and the Wizard in Oz is the fourth book set in the Land of Oz written by L. Frank Baum and illustrated by John R. Neill. It was published on June 18, 1908 and reunites Dorothy with the humbug Wizard from The Wonderful Wizard of Oz. This is one of only two of the original forty Oz books (the other being The Emerald City of Oz) to be illustrated with watercolor paintings."