Two tie-in novels have been announced so far for the show.

Nevermore

(Click on the back cover to see a larger image)
Date Released: August 2007
Author: Keith R. A. DeCandido
Published by: HarperEntertainment
ISBN-13: 978-0061370908
Purchase from Amazon.co.uk
Purchase from Amazon.com

Synopsis (From the back cover of the book): Sam and Dean have hit New York City to check out a local rocker's haunted house. But before they can figure out why a lovesick banshee in the bedroom, a far more macabre crime catches their attention. Not far from the house, two university students were beaten to death by a strange assailant. A murder that's bizarre even by New York City standards, it's the latest in a line of killings that the borthers soon suspect are based on the creepy stories of legendary writer Edgar Allan Poe.

Their investigation leads them to the center of one of Poe's horror classics, face-to-face with their most terrifying foe yet. And if Sam and Dean don't rewrite the ending of this chilling tale, a grisly serial killer will end their lives forevermore.

• Read an exclusive interview with Keith
• Read a excerpt from the novel at Keith's website

Witch's Canyon

Date Published: November 2007
Author: Jeff Mariotte
Published by: HarperEntertainment
ISBN-13: 978-0061370915
Purchase from Amazon.co.uk
Purchase from Amazon.com

Synopsis: None available at present

• Read an exclusive interview with Jeff

Bone Key

Date Due: September 2008
Author: Keith R.A. DeCandido
Published by: HarperEntertainment

After the success of Nevermore, Keith will be returning to write the third tie-in novel, Bone Key. It will take place during the third season but no more details are available at the moment