| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2011 | 978-0-9831980-0-0 | Abby Isadora Haydon | The Mayan Sacred Count of Days: Ian Xel Lungold's Quest to Bring Mayan Calendar Astrology to the World |
| 2013 | 978-0-9831980-1-7 | '' | The Mayan Astrology Handbook |
| 2014 | 978-0-9831980-2-4 | '' | The Mayan Sacred Count of Days: Ian Xel Lungold's Quest to Bring Mayan Calender Astrology to the World |