Sir Arthur Conan Doyle 
The Adventure of the Second Stain 

In “The Adventure of the Second Stain”, Watson and Holmes are engaged by the Prime Minister and the European Secretary to help recover a sensitive stolen political document. Tracking the document to a recently murdered spy, Holmes realizes that the European Secretary’s wife actually has the letter. The questions immediately pile up in this tale of international intrigue, blackmail and double-dealing.

Giới thiệu về tác giả

Sir Arthur Conan Doyle (1859-1930) was a British writer best known for his creation of the legendary detective Sherlock Holmes. In addition to being considered a father of detective fiction, he also wrote a series of science-fiction adventures starring the brilliant, daring, and comical Professor Challenger.