Your crayons will be horrified. Slightly NSFW.
Sex Position Coloring Book: Playtime For Couples
Because there's nothing more arousing than whipping out some crayons along with your dick.
Dinosaurs Smoking Weed
The plot to the next Jurassic Park movie?
Colour Me Good - ARRGGGHHHH!!
Because coloring books obviously aren't fulfilling their duties if they're not making you scream in horror.
23 Coloring Books That Would Ruin Your Childhood