"My Friend is a Murderer" by Arthur Conan Doyle is a fascinating story about the eccentric detective Sherlock Holmes and his best friend, who is suspected of murder. Holmes' quiet life is turned upside down when he faces the most important case of his career - to prove his friend's innocence. The leading master of the detective genre, Arthur Conan Doyle, invites readers on an exciting journey into the world of secrets, intrigue and friendship. Will Sherlock Holmes be able to solve the mystery and save the trust in his friend? "My friend is a murderer" is a book that keeps you in suspense until the last page and leaves behind many questions and thoughts.