He is our best hope. He is our last hope. On a lonely moor in the northeast of England, the body of a young woman is discovered near the site of a vanished church. In the south, a girl lies buried beneath a Saxon mound. To the southeast, the ruins of a priory hide a human skull. Each is a sacrifice, a summons. And something in the darkness has heard the call. But another is coming: Parker the hunter, the avenger. From the forests of Maine to the deserts...

"In Amsterdam, four bodies, violently butchered, are discovered in a canal house, the remains of friends and confidantes of the assassin known only as Louis. The men responsible for the murders are Serbian war criminals. They believe they can escape retribution by retreating to their homeland. They are wrong. For Louis has come to Europe to hunt them down: five killers to be found and punished before they can vanish into thin air. There is just one...

It is deep winter and the darkness is unending. A private detective named Jaycob Eklund has vanished and Charlie Parker is assigned to track him down. Parker's employer, Edgar Ross, an agent of the Federal Bureau of Investigation, has his own reasons for wanting Eklund found.

"Jerome Burnel was once a hero. He intervened to prevent multiple killings, and in doing so destroyed himself. His life was torn apart. He was imprisoned, brutalized. But in his final days, with the hunters circling, he tells his story to private detective Charlie Parker. He speaks of the girl who was marked for death, but was saved; of the ones who tormented him, and an entity that hides in a ruined stockade. Parker is not like other men. He died,...