A lost book. A buried temple. One impossible connection between the past and modern science.The Book of Qustul, unearthed in the Nubian desert at the beginning of the twentieth century, told the story of Mâlik, a Persian warrior who fought in Cambyses II's conquest of Egypt in 525 BC and whose journey home became an extraordinary odyssey with consequences far beyond his own time.The book presented a mystery of its own. Experts considered it an OOPART—an out...