The Crimson Cryptogram is a detective novel by Fergus Hume, first published in 1919. The story follows private detective Penreath as he attempts to solve the murder of wealthy businessman, Sir Horace Fewbanks. Penreath finds himself entangled in a web of secrets, lies and intrigue as he tries to piece together the clues to solve the case. The novel is full of twists and turns, with a complex plot that keeps the reader guessing until the very end.
