Complex sentence: In 1926 Edson wrote a book he wanted to call "The Autobiography of an Ass" and release under his own name, but his publisher called it "The Great American Ass" by Anonymous, hoping rumors about who the real author was would generate sales.
Split into simpler sentences: In 1926 Edson wrote a book he wanted to call "The Autobiography of an Ass" and release it under his own name. But his publisher called it "The Great American Ass" by Anonymous, hoping rumors about who the real author was would generate sales.