"The Piccadilly Puzzle: A Mysterious Story" is an exciting detective novel by the famous writer Fergus Hume. In this book, readers will go into the everyday life of London, where mysterious events begin to happen on the streets of Piccadilly. The protagonist of the novel, a resourceful detective, faces intrigue, conspiracy and overwhelming evidence. Readers, together with him, reveal the secret hidden behind the mysterious games of the big city. "The Piccadilly Puzzle: A Mysterious Story" is a book that is full of social diversity, riddles and unexpected turns of events.