Holmes’ life is in danger. The criminal mastermind Moriarty is after him. Holmes has stood in his way several times, attempting to catch him and prove his guilty. The great detective creates a complex plan with the only goal to solve what is to be the greatest and crowning achievement of his lifetime. Moriarty is however an equal opponent who is not to be underestimated. Moriarty’s and Holmes’ paths cross near The Reichenbach Falls in Switzerland. Who will prevail in this battle between good and bad, law and outlaw? Will Holmes complete his life goal or he will die trying? The Final Problem is a part of The Memoirs of Sherlock Holmes .Sir Arthur Conan Doyle (1859-1930) was born in Scotland and studied medicine at the University of Edinburgh. After his studies, he worked as a ship’s surgeon on various boats. During the Second Boer War, he was an army doctor in South Africa. When he came back to the United Kingdom, he opened his own practice and started writing crime books. He is best known for his thrilling stories about the adventures of Sherlock Holmes. He published four novels and more than 50 short-stories starring the detective and Dr Watson, and they play an important role in the history of crime fiction. Other than the Sherlock Holmes series, Doyle wrote around thirty more books, in genres such as science-fiction, fantasy, historical novels, but also poetry, plays, and non-fiction.