About the book The Adventure of the Mazarin Jewel by Arthur Conan Doyle:

Sherlock Holmes has always resorted to the strangest tricks and risked his life in order to uncover the mysteries of the cases assigned to him, especially when challenged by someone like Lord Cantlemere, one of the courtiers, who doubts his ability to find the thief of the valuable Mazarin jewel. Estimated at one hundred thousand pounds. Thus, in this adventure, Holmes decides to make an exact replica of himself and place it in the window of his house to deceive the jewel thief, who is watching him day and night in order to eliminate him, while Holmes leaves his house disguised as a woman. Sometimes an old man, sometimes in a worker’s uniform; So that he watches his steps. Who will prevail in the end? Will Holmes' cunning succeed in catching the thief? Read the exciting details.