Under the Night von Alan Glynn

The only fact Ray Sweeney knows about his grandfather's life is that it ended when he jumped out of a hotel window in Manhattan, an event which scarred his family thereafter. But then Ray meets a retired government official, ninety-two-year-old Clay Proctor, who claims he can illuminate not only Ned's life and death, but also the truth behind the mysterious drug. Both a sequel and prequel to Alan Glynn's "The Dark Fields",which became the hit movie "Limitless".