Captured on the checkout line at my local market, The Complete Idiot’s Guide: Ghosts and Hauntings:

Complete Idiot’s Guide: Ghosts and Hauntings

The entirety of the contents: “Thank you for purchasing this book. You hold in your hand the complete guide to ghosts and hauntings. There are none. Ghosts don’t exist. Now you are less of an idiot. Congratulations.”