The Sign of Four /
Doyle, Arthur Conan, Sir, 1859-1930.
The Sign of Four / by Arthur Conan Doyle. - London : Heinemann, 1985. - 58p. : ill ; 18 cm.
The Sign of Four / by Arthur Conan Doyle. - London : Heinemann, 1985. - 58p. : ill ; 18 cm.