Four Bestselling Authors Team Up for Thrilling Supernatural Suspense <p> Gathering four stories from four bestselling author friends, Invitation is the first collection in the ongoing Harbingers series. <p>In "The Call" by Bill Myers, four strangers are drawn together to help a student at the mysterious Institute for Advanced Psychic Studies. His gifts are supposedly being honed to assist world leaders . . . but there are some very disturbing strings attached. Frank Peretti's "The Haunted" confronts a supernatural mystery, a case of murder, and an exploration into the darkness of the human heart, all centering around a mysterious house. <p>In Angela Hunt's "The Sentinels," animals around the world are mysteriously dying. What could it mean? When the tragedy begins to touch Andi's dreams, she discovers a terrifying theory. "The Girl" by Alton Gansky is a gripping tale of a young barefoot girl found holding a scroll in the snowy Oregon mountains. She is sweet, innocent--apparently not of this world--and something wants to kill her.