In the Dark of the Night is a thriller horror novel by author John Saul, published by Ballantine Books on July 18, 2006.

The novel follows the story of teenagers who find various objects once owned by serial killers, and they soon become possessed by the spirits that haunt them.

They also learn about the terrifying events that occurred Pincrest seven years before, the horrifying disappearance of Pinecrest's last resident, and a strange legacy with an eerie life of its own, which may also be thirsty and awaiting for new victims.

Publishers Weekly said, "It's more YA novel than adult, but Saul has been in the business long enough to know how to send shivers up the spines of readers of any age.

"[1] School Library Journal's Larry Cooperman said, "Saul weaves a page-turner of a story that horror fans will enjoy from start to finish.