| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Crystal Skull: The story of the mystery, myth, and magic of the Mitchell-Hedges crystal skull discovered in a lost Mayan city during a search for Atlantis | 978-O-385-O9456-6 (O-385-O9456-6) | 1973 |
M G*** · M. Garvin · R. Garvin · R. M. · Richard G · Richard M.