| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Crystal Ball Gazing: The Complete Guide to Choosing and Reading Your Crystal Ball | 978-0-684-83644-7 (0-684-83644-0) | 1998 |
| O Guia Completo Do Cristal | 978-85-01-03364-2 (85-01-03364-2) | 1990 |
| The Complete Crystal Guidebook, A practical path to pesonal power, self development and healing using quartz crystals | 978-0-553-34499-8 (0-553-34499-4) | 1987 |