2003 - The Unknown Darkness Profiling the Predators Among Us (Hardcover) → Paperback, Hardcover ISBN-13: 9780060509576 ISBN-10: 0060509570 Genre: Nonfiction 13 2003 - The Unknown Darkness Profiling the Predators Among Us (Hardcover) → Paperback, Hardcover ISBN-13: 9780756793388 ISBN-10: 0756793386 Genre: Nonfiction 1 The Unknown Darkness Profiling the Predators Among Us (Paperback) → Hardcover ISBN-13: 9780060509583 ISBN-10: 0060509589 Genre: Nonfiction 7 |