Delve into the shadowy world of "Peter Ruff and the Double Four," a classic thriller by E. Phillips Oppenheim. This gripping tale of secret societies, crime, and espionage plunges you into a world of mystery and intrigue. Oppenheim, a master of suspense, weaves a narrative rich with suspense and high stakes. Experience the thrill of the chase as Peter Ruff navigates dangerous conspiracies and uncovers hidden agendas. This meticulously prepared print edition allows you to rediscover a timeless story of suspense. A must-read for fans of classic espionage thrillers and detective fiction. Explore the dark underbelly of secret societies in this unforgettable adventure.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.