《福尔摩斯探案全集：四签名》是作者的成名作，是系列第二部长篇探案小说。作品以印度土兵叛乱的历史背景，通过人们对土王宝盒的拼死争逐，与华生和莫斯坦小姐追求纯真爱情视不义之财为阻隔来加以对照表现，揭露了人的财富欲的罪恶与虚无，把人带入纯净的境界，反映了一个深刻的人文题材，提出了令人值得深思的诸多社会问题，从侧面向读者提供了深广的人文思考空间。( As the second detection novel of the series, The Complete Novels And Stories of Sherlock Holmes: The Sign of the Four is the masterpiece of the author. With the background of betrayed Indian solider, the book unveils the evilness and nothingness of human desire for wealth via competitive chasing of 土王宝盒, which is contrasted with the pursuit of pure love by Watson and Ms. Morstan despite of filthy lucre. It takes readers to a pure world and reflects a deep humanity subject as well as proposes many social problems worth thinking, providing vast space for thinking of humanity from other sides. )