Uncover the chilling true story of one of history's most feared secret societies.Crna Ruka: The Secret Society That Shook the World explores the rise, reach, and ruthless legacy of the Black Hand-a deadly organization that operated behind the scenes of early 20th-century Europe. With oaths sworn in blood and acts of violence carried out in silence, this clandestine brotherhood was responsible for the assassination of Archduke Franz Ferdinand, sparking the outbreak of World War I.Colm Finnegan delivers a powerful, deeply researched account of the Black Hand's rituals, assassinations, torture methods, and lasting influence. From secret codes to brutal executions, this book pulls back the curtain on a society that used shadows to change the world. For readers of true history, espionage, and political intrigue-this is their untold story.