Name: The Sign of the Four

Author: ARTHUR CONAN DOYLE

Notes: This, the second Sherlock Holmes mystery, begins with Holmes himself in a cocaine-induced haze, interrupted by the arrival of a distressed and beautiful young lady. Each year following the strange disappearance of her father, Miss Morstan has received a rare and lustrous pearl. Now, on the day she is summoned to meet her anonymous benefactor, she comes to consult with Holmes and Watson.