Each is 5x5.25" hardcover Whitman #1066 © 1938. Each features different "Story Of" and characters are Mickey Mouse, Minnie Mouse, Pluto, Donald Duck, Dippy the Goof, Clarabelle Cow. This comprises the six titles published in the "Story Of" format. Each has 96 pages in bw w/story art on every other page. Front cover features illustration for that specific character, each back cover has same image of Mickey Mouse as circus animal trainer. All have minor scattered traces of extreme edge wear. Contents are just the slightest bit aged. All covers remain extremely bright and clean, tight copies w/exceptionally clean contents. Set is Exc. and these books are rarely found this nice. From the Hake collection.