The Lost Arts of Prediction: Divination Systems That Vanished and Why Some SurvivedFor three thousand years, Babylonian priests read the future in sheep livers using clay models and detailed omen tablets. The system was sophisticated, state-sponsored, and absolutely central to ancient Near Eastern civilization. By the second century CE, no one on Earth knew how to practice it anymore.Meanwhile, a deck of playing cards shuffled in a medieval kitchen has never stopped telling fortunes.The Lost Arts of Prediction examines forty divination systems that went completely extinct-practices so thoroughly lost that no living lineage connects their ancient practitioners to the present. From the Delphic Oracle's vapor-induced prophecies to Roman augury's elaborate bird-watching protocols, from Etruscan liver reading to Germanic seer trance schools, these systems once shaped the decisions of kings and emperors. Then they vanished.But Tarot reading, palmistry, astrology, bone throwing, and tea leaf reading survived everything: religious persecution, colonial suppression, scientific dismissal, and technological revolution. They adapted, traveled, hid, and emerged stronger.The difference was not accuracy, spiritual power, or cultural importance. The difference was infrastructure.This book reveals the five fatal dependencies that guaranteed extinction: the need for animal sacrifice, reliance on fixed sacred locations, dependence on professional priesthoods, requirement of state sponsorship, and vulnerability to environmental change. Systems with these dependencies died when conditions shifted. Systems without them proved nearly indestructible.From ancient Mesopotamian omen tablets to smartphone astrology apps, from Roman temple oracles to kitchen-table card readings, The Lost Arts of Prediction traces how knowledge survives or perishes across centuries. It shows why elaborate temple systems crumbled while simple practices requiring only a deck of cards or a pair of hands outlasted empires.What died deserved better. What survived earned its persistence through structural advantages that had nothing to do with truth and everything to do with resilience. This is the untold story of how divination systems live and die-and what that reveals about the survival of human knowledge itself.