"Brotherhood of the Frog" is an exciting detective novel by Edgar Wallace, which tells the story of a dangerous criminal organization operating in London. The main character, Detective Roark, enters the game with mysterious criminals known as the "Toad Brotherhood" in an effort to stop their criminal activities. Intrigue, twists and turns of events and unexpected discoveries await the reader on every page of this fascinating book. "Brotherhood of the Frog" is a sophisticated psychological detective story that will not leave indifferent any fan of crimes and unsolved mysteries.