The Sign of the Four by Sir Arthur Conan Doyle
Since her father disappeared ten years ago, Mary has received annually and anonymously a pearl. When she is finally requested to meet the sender she is accompanied by Holmes and Watson. The stranger relates to them a tale of secrecy, hidden treasure and sudden death.| SKU | Unavailable |
| EAN | 9780563536703 |
| Title | The Sign of the Four |
| Release date | 2002-05-07 |
| Format | Audiobook |
| Studio | BBC Audiobooks Ltd |
| Condition | Unavailable |
| Note | Unavailable |
| By (author) | Sir Arthur Conan Doyle |