1987 - Gumby the Authorized Biography of the World's Favorite Clayboy (Hardcover) → Paperback ISBN-13: 9780517562666 ISBN-10: 0517562669 Genres: Biographies & Memoirs, Humor & Entertainment 1 1986 - Gumby the Authorized Biography of the World's Favorite Clayboy (Paperback) → Paperback, Hardcover ISBN-13: 9785551593492 ISBN-10: 5551593495 Genre: Arts & Photography 1 |