Books with author John carpenter

Abandoned in Valhalla, Eli, Brady, and Livia must escape from the gathering Berserker army and pursue their ally-turned-enemy, Nikola Tesla, across North America. The Atlantean scientist now possesses Eli's Keys and the desire to reunite them for his own sinister purposes. Enemies close from all sides. In a land of magic and mystery, the natural and the supernatural collide. Eli struggles to adapt to his brother's return, finding that some promises are more difficult to keep than others. Will Eli track down Tesla? Will he be able to recover the Keys taken from him? To stop a mad man, he'll be forced to solve a famous riddle and rush headlong into the storm.

"Jealousy and hate are dark and ugly diseases, aren't they, Nate?" With Chase Hunter defeated, Nate and the staff of the Washington Memorial Library can finally breathe easy. Or can they? Hunter's death triggers a new threat to the library; one that could cost Nate and all his friends their lives. A strange shipment of books, a new employee, and Nate's own dark feelings light the fuse to Hunter's diabolical plan. Lines will be crossed as Nate fights to save the library, his friends, and himself. Difficult choices will have to be made. The aide of old and new friends must be enlisted. Nate will have to sacrifice everything if he hopes to bring the library, Emily, and the entire staff out of the shadows.

After surviving the latest attack, Nate is ready for things to return to normal, but nothing is normal at the Washington Memorial Library. Plagued by bad dreams and a lack of sleep, Nate finds himself at odds with his friends and co-workers. Something terrible has worked its way into the library's midst. Something bent on destroying everything that the staff holds dear. Nate must overcome a vengeful spirit, a determined man, and himself if the library hopes to stand. The staff will be pushed to their limits as they discover what lies within and try to save the person who has saved them so often: Nate.