If you're heading out to a Halloween party this weekend, why not tweet me a photo in fancy dress for a chance to win a copy of my debut novel The Ghost Hunters.
Sign up to my mailing list (on the homepage of this website) to find out the winner. We'll pick the best photo and email the winner on Monday.
Don't forget to use #TheGhostHunters
The Ghost Hunters is published by Quercus, why not TREAT yourself this Halloween? Order your copy here.