A body is found in the attic of a fabulous Long Island estate.
There is a claw print scorched into the wall, and the stench of sulfur chokes the air.
When FBI Special Agent Pendergast investigates the gruesome crime, he discovers that thirty years ago four men conjured something unspeakable.
Has the devil come to claim his due?
Some things can't be undone.

Agent Pendergast's greatest enemy is one who has stalked him all of his life - his cunning and diabolical brother Diogenes. Now Diogenes has committed the perfect crime and Pendergast is framed for the deed.

Psychotic killer Diogenes faces down his incarcerated FBI agent brother, while the Museum of Natural History reopens a long-closed tomb exhibit, a decision that coincides with a series of murders and sparks rumours about an ancient curse.

Pendergast - the world's most enigmatic FBI Special Agent - returns to New York City to investigate a murderous cult. William Smithback, a New York Times reporter, and his wife Nora Kelly, a Museum of Natural History archaeologist, are brutally attacked in their apartment on Manhattan's Upper West Side.

At the old family manse in Louisiana, Special Agent Pendergast is putting to rest possessions reminiscent of his wife Helen's tragic death, only to make a dreadful-discovery. Helen had been mauled by a lion while they were big game hunting in Africa. But now, Pendergast learns that her rifle had been deliberately loaded with blanks.

Nestled in the hostile peaks of the Himalayas stands an ancient monastery. For thousands of years the monks have guarded a mysterious and terrible treasure within its inner sanctum. Now the vault has been violated and the artefact stolen - and with it the power to wreak vengence upon the world.

Former naval doctor Peter Crane is summoned to a remote oil platform in the North Atlantic to diagnose a bizarre medical condition. But when he arrives, Crane learns that the real trouble lies on Deep Storm, a research facility on the ocean floor.

Forensic pathologist Corrie Swanson investigates a brutal crime from 136 years ago. The key to the crime may just lie in a lost Sherlock Holmes story, a tale allegedly so horrifying that its author never dared publish it.

Under the direction of famed explorer Porter Stone, an archaeological team is secretly attempting to locate the tomb of King Narmer, an ancient pharaoh unlike any other. And Stone is anticipating a further discovery, the first of its kind in history: Narmer's famed crown, supposedly possessed of mythical powers, is thought to be buried with him. The dig is located in the Sudd, a nearly impassable swamp in northern Sudan and one of the most forbidding places on earth. And amid the nightmarish tangle of mud and dead vegetation, a series of harrowing and seemingly inexplicable occurrences has...