1985 - The Mystery of the Vanishing Treasure (Paperback) → Paperback, Hardcover ISBN-13: 9780606218078 ISBN-10: 0606218076 ? 1984 - The Mystery of the Flaming Footprints [Alfred Hitchcock the Three Investigators 15] (Paperback) ISBN-13: 9780394864150 ISBN-10: 0394864158 Genre: Children's Books 1 1973 - The Mystery of the Stuttering Parrot [Alfred Hitchcock and the Three Investigators] (Paperback) ISBN-13: 9780394822006 ISBN-10: 0394822005 Genre: Teen & Young Adult 2 The Mystery of the Moaning Cave [Three Investigators Book 10] (Paperback) ISBN-13: 9780394837734 ISBN-10: 0394837738 Genre: Children's Books 1 |