1991 - Knock on Wood an Encyclopedia of Superstition (Hardcover) ISBN-13: 9780681410886 ISBN-10: 0681410884 Genres: Literature & Fiction, Reference 3 1986 - Knock on Wood and Other Superstitions (Hardcover) ISBN-13: 9780517459447 ISBN-10: 0517459442 Genre: Religion & Spirituality 1 |