Some say Brandon Martus has a mysterious ability to see into the future, to experience what scientists refer to as a 'higher dimension.' Others insist he is simply a troubled Generation-X member plagued by the accidental death of his little sister. It isn't until he teams up with Sarah Weintraub, the ambitious but haunted neurobiologist, that a far deeper secret unfolds. Utilizing the latest discoveries in brain research and quantum physics, the two carefully wind their way through a treacherous maze of human greed and supernatural encounters that are both legitimate and counterfeit -- until they finally discover the astonishing truth about Brandon Martus. From the author of the best-selling Blood of Heaven comes a captivating scientific and supernatural thriller. Threshold takes the reader from the mountains of Nepal to the heartland of America, through the deceptions of hell and into the hands of Jesus Christ, in a carefully researched, thought-provoking, and thoroughly electrifying journey.