For years the great Labyrinth of Kerykeion has been home to one of the largest libraries of human incunabula in the galaxy. Here, otherwise lost volumes are all carefully preserved. From tomorrow, it's under new management. Professor Bernice Summerfield is sent to acquire some of the rarest books for the Braxiatel Collection before the new corporate owners bulldoze their way in. She's hoping for a quiet time searching the archives. Some chance. Soon she's investigating a horrible murder, and is caught up in a last-ditch scheme to save the entire library. There's a vicious, insane killer cyborg on Benny's heels. And then ancient subterranean powers begin to stir...