A group of strangers bound by terrifying synchronicity becomes humankind's hope of survival in an exhilarating, twist-filled novel by Dean Koontz, the #1 New York Times bestselling master of suspense.As a girl, Joanna Chase thrived on Rustling Willows Ranch in Montana until tragedy upended her life. Now thirty-four and living in Santa Fe with only misty memories of the past, she begins to receive pleas--by phone, through her TV, in her dreams: I am in a dark place, Jojo. Please come and help me. Heeding the disturbing appeals, Joanna is compelled to return to Montana, and to a strange childhood companion she had long forgotten.She isn't the only one drawn to the Montana farmstead. People from all walks of life have converged at the remote ranch. They are haunted, on the run, obsessed, and seeking answers to the same omniscient danger Joanna came to confront. All the while, on the outskirts of Rustling Willows, a madman lurks with a vision to save the future. Mass murder is the only way to see his frightening manifesto come to pass.Through a bizarre twist of seemingly coincidental circumstances, a band of strangers now find themselves under Montana's big dark sky. Their lives entwined, they face an encroaching horror. Unless they can defeat this threat, it will spell the end for humanity.

International bestselling author Dean Koontz was only a senior in college when he won an Atlantic Monthly fiction competition. He has never stopped writing since. Koontz is the author of Quicksilver, Elsewhere, The Other Emily, Devoted, and seventy-nine New York Times bestsellers, fourteen of which were #1, including One Door Away from Heaven, From the Corner of His Eye, Midnight, Cold Fire, The Bad Place, Hideaway, Dragon Tears, Intensity, Sole Survivor, The Husband, Odd Hours, Relentless, What the Night Knows, and 77 Shadow Street. He's been hailed by Rolling Stone as "America's most popular suspense novelist," and his books have been published in thirty-eight languages and have sold over five hundred million copies worldwide. Born and raised in Pennsylvania, he now lives in Southern California with his wife, Gerda, their golden retriever, Elsa, and the enduring spirits of their goldens Trixie and Anna. For more information, visit his website at