| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Because It's There: The Life of George Mallory | Paperback | 978-0-7524-3747-7 (0-7524-3747-X) | 2006 |
| Because It's There: The Life of George Mallory | Hardcover | 978-0-7524-3399-8 (0-7524-3399-7) | 2005 |
| Patrick Bronte: Father of Genius | Paperback | 978-0-7524-5445-0 (0-7524-5445-5) | 2010 |