| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Sombras sobre baker street/ Shadows Over Baker Street | 978-84-9800-337-6 (84-9800-337-7) | 2007 | |
| Teller of Tales: The Life of Arthur Conan Doyle | 978-0-8050-6684-5 (0-8050-6684-5) | 2001 | Daniel Stashower |