When a massive sinkhole opens up and swallows a retired couple from Iowa it seems like a freak occurrence. But it's not the only one. Similar sinkholes are opening all over the world, even on the sea floor. And they're getting bigger. People living near the pits are reporting strange phenomena—vibrations, sulfurous odors, and odd sounds in the stygian depths. Then the pets begin to go missing. When people start disappearing as well, the government is forced to act. Professor Matt Kearns and a team of experts are sent in by the military to explore one of the sinkholes, and they discover far more than they bargained for. From the war zones of the Syrian Desert to the fabled Library of Alexandria, and then to Hades itself, join Professor Matt Kearns as he attempts to unravel an age-old prophecy. The answers Matt seeks are hidden in the fabled Al Azif—known as the Book of the Dead—and he must find it, even if it kills him. Because time is running out ... not just for Matt Kearns, but for all life on Earth.