Sign of the Four - The Sherlock Holmes Collector's Library

The darker side of Sherlock Holmes and the romantic side of Doctor Watson are both revealed in this enthralling second novel in Arthur Conan Doyle’s detective series.

Thick fog swirls through London, winding its way down Baker Street towards flat 221B where a cocaine-dazed Sherlock Holmes sits awaiting a new case. When a beautiful young woman, Mary Morstan, presents the sleuthing duo with two seem...