Hart Publishing · Patmos · Singing Spirit Books
| title | ISBN-13 (ISBN-10) | year of publica- tion | |
|---|---|---|---|
| British Government in Crisis | 978-1-84113-549-6 (1-84113-549-6) | 2005 | |
| Der Rabe Joshua. Die Geschichte einer inneren Reise | 978-3-491-45072-1 (3-491-45072-1) | 2006 | |
| The Raven Who Spoke With God | 978-0-9711796-0-8 (0-9711796-0-3) | 2001 |