April means we’re halfway to our next Halloween, and we think it’s a great time to celebrate all things macabre. This month, we’re offering readers 40% off our most riveting—and often downright frightening—books on real-life monsters and mayhem with our true crime sale. Through April 19th, use coupon code TRUECRIME40 on all of our reads about serial killers, unsolved crimes, famous robberies and more. Browse our true crime catalog here!