The Lives of Creedence Robb

Following his wife Sarah's death on 9/11 Creedence Robb inhabits a world in which his nightmares seem more real than his waking hours.
Each day he stumbles through his Vinegar Hill neighborhood tortured by how he might have saved Sarah and full of hopeless longing to change the past. At night he runs from the menacing stranger in his nightmares fearing he has come for retribution.
When the stranger confronts him in reality a shocked Creedence discovers not only has he lived more than one life but the stranger has plans to help him find Sarah in one of his past lives. Creedence soon embarks on an astounding journey through time unaware that unseen forces are at work and nothing is as it seems...