| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Spelling Love with an X: A Mother, A Son, and the Gene that Binds Them | 978-0-8070-7280-6 (0-8070-7280-X) | 2008 |
| Spelling Love with an X: A Mother, a Son, and the Gene That Binds Them | 978-0-8070-7279-0 (0-8070-7279-6) | 2007 |