 The novel also requires constant physical manipulation to read, whereas only certain sections of "House of Leaves" require readers to flip the book around.The book's content, of course, is purely of Danielewski's own invention, although he allegedly had a chance meeting with a couple of young lovers while on tour for "House of Leaves" who served as inspirations for his lead characters in "Only Revolutions", Sam and Hailey and Hailey and Sam.As the work progressed it became obvious to Mark that the novel was something of a counterpoint to "House of Leaves"; in fact, he has said in interviews that "Only Revolutions" is centrifugal while "House of Leaves" is centripetal.