
- Author: Arthur Conan Doyle
- Language: French
- Year: 2004

- Author: Arthur Conan Doyle
- Language: Italian

The Valley of Fear
mobi
- Author: Arthur Conan Doyle
- Language: English

- Author: Arthur Conan Doyle
- Language: French
- Year: 2003

- Author: Arthur Conan Doyle
- Language: French
- Year: 2010

Il segno dei quattro
epub
- Author: Arthur Conan Doyle
- Language: Italian
- Year: 2005

- Author: Arthur Conan Doyle
- Language: English
- Year: 2011

- Author: Arthur Conan Doyle
- Language: French
- Year: 2010

- Author: Sir Arthur Conan Doyle
- Language: English
- Year: 2001

- Author: Arthur Conan Doyle
- Language: Italian
- Year: 2005