《Sign of the Four (Version 5)》 - 免费有声读物

In the second of the novels chronicling the adventures of the great consulting detective, Sherlock Holmes, a strange mystery is afoot as a young lady comes to Holmes with questions about some strange goings on. The one clue in her hands: The Sign of the Four. Becoming entangled with murder, burglary and romance, can Holmes and Watson lay this mystery to rest? - Summary by Matthew Soanes