Supernatural novels

Dean believes that Sam is in Hell so he is trying to keep his promise to his brother and live a normal live with Lisa and Ben. 
When he realizes that a spell in the Necronomicon could raise Lucifer and therefore Sam, he convinces his new family to travel with him on vacation to Salem. 
Meanwhile Sam is not as far away as Dean thinks and is determined to protect his brother from the Salem witches...
A Supernatural novel that reveals...

Sam and Dean Winchester go to Clayton Falls, Colorado, to deal with terrifying events such as rampaging Gila monsters and trees that attack the local population.

"When a gruesome murder takes place in Braden Heights, Indiana, the local authorities suspect the disemboweled and eyeless corpse is the result of an animal attack. But when another body is discovered, the eyes gouged out, Sam, Dean and Castiel start looking for connections between the victims -- and discover both men were soon-to-be fathers. As the boys hunt the killer, they unearth the town's troubled past, and secrets some would prefer stay buried...

"Sam and Dean travel to Indiana, to investigate a murder that could be the work of a werewolf. But they soon discover that werewolves aren't the only things going bump in the night. The town is also home to a pack of jakkals who worship the god Anubis: carrion-eating scavengers who hate werewolves. With the help of Garth, the Winchester brothers must stop the werewolf-jakkal turf war before it engulfs the town-- and before the god Anubis is awakened..."--...