<p>In 2012, Steve Green, billionaire and president of the Hobby Lobby chain of craft stores, announced a recent purchase of a Biblical artefact¿a fragment of papyrus, just discovered, carrying lines from Paul''s letter to the Romans, and dated to the second century CE. Noted scholar Roberta Mazza was stunned. When was this piece discovered, and how could Green acquire such a rare item? The answers, which Mazza spent the next ten years uncovering, came as a shock: the fragment had come from a famous collection held at Oxford University, and its rightful owners had no idea it had been sold.</p><p>The letter to the Romans was not the only extraordinary piece in the Green collection. They soon announced newly recovered fragments from the Gospels and writings of Sappho. Mazza''s quest to confirm the provenance of these priceless fragments revealed shadowy global networks that make big business of ancient manuscripts, from the Greens'' Museum of the Bible and world-famous auction houses like