| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Santa Claus, Last of the Wild Men: The Origins and Evolution of Saint Nicholas, Spanning 50,000 Years | Paperback | 978-0-7864-2958-5 (0-7864-2958-5) | 2006 |
| Santa Claus, Last of the Wild Men: The Origins and Evolution of Saint Nicholas, Spanning 50,000 Years | Library Binding | 978-0-7864-0246-5 (0-7864-0246-6) | 1996 |