| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| 2012: The Secret of the Crystal Skull | 978-1-84694-346-1 | 2009 | Ceri Louise Thomas | |
| Chris Morton: Until the Can Ran Out | 978-0-7524-4337-9 | 2007 | Brian Burford | |
| English Slacker | 978-0-9533172-8-8 | 2011 | ||
| Le mystère des crânes de cristal | 978-2-290-34635-8 | 2004 | Ceri-Louise Thomas | |
| Le Mystère des crânes de cristal | 978-2-290-32234-5 | 2003 | Ceri Louise Thomas | |
| Le mystère des crânes de cristal | 978-2-268-03398-3 | 1999 | " | |
| The Mystery of the Crystal Skulls | 978-0-7225-3486-1 | 1998 | " | |
| The Mystery of the Crystal Skulls: A Real Life Detective Story of the Ancient World | 978-1-879181-54-0 | 1998 | " | |
| The Mystery of the Crystal Skulls: Unlocking the Secrets of the Past, Present, and Future | 978-1-879181-80-9 | 2002 | " | |
| Tränen der Götter | 978-3-8289-3408-5 | 2000 | ||
| Tränen der Götter | 978-3-502-15495-2 | 1998 | Ceri L. Thomas | |
| Tränen der Götter. Die Prophezeiung der 13 Kristallschädel | 978-3-938516-29-4 | 2006 | Ceri Louise Thomas | |
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