本书是伟大的侦探小说家阿瑟·柯南·道尔的不朽名作，也是一百年来世界上最畅销的图书之一。本书选取福尔摩斯探案故事中最为经典的篇章集结成四册，包括《血字的追踪》、《归来记》、《恐怖谷》、《最后的致意》等脍炙人口而又百读不厌的精彩故事。This is a immortal masterpiece written by the great detective writer Conan Doyle, and it is also one of the best selling books in the world for 100 years. The book selects most classical chapters out of Holmes' detective stories to be assembled into four volumes, including A Study in Scarlet, The Return of Sherlock Holmes, The Valley of Fear, His Last Bow and other excellent popular stories.