Columba Press · Darton,Longman & Todd Ltd
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| The Crystal Fountain: The Story of an Inner Journey | 978-1-85607-567-1 (1-85607-567-2) | 2007 |
| The Secret Ladder: A Spiritual Adventure | 978-0-232-52595-3 (0-232-52595-1) | 2005 |