| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2005 | 978-0-9549609-0-2 | Nathan Johnson · Robert J. Wallis | Galdrbok: Practical Heathen Runecraft, Shamanism and Magic |
| '' | 978-0-9549609-1-9 | Nathan Johnson · Robert J. Wallis | Galdrbok: Practical Heathen Runecraft, Shamanism and Magic |
| 2006 | 978-0-9549609-3-3 | Nathan Johnson | The Great Karate Myth: Unravelling the Mystery of Karate |