| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Who Killed Albus Dumbledore?: What Really Happened in Harry Potter and the Half-Blood Prince? Six Expert Harry Potter Detectives Examine the Evidence. | 978-O-9723221-1-9 (O-9723221-1-6) | 2006 | Joyce Odel |