Books bound in human skin are a staple of horror fiction. But sometimes it happens in real life. The following is a partial list of books that, at some point in their publication history, have been issued in bindings made of human flesh:
“De Humani Corporis Fabrica” by Vesalius
“The Necronomicon” by Abdul Alhazred
“Martha’s Having Friends for Dinner! 120 Easy Long Pig Recipes” by Martha Stewart
“The Book of Lies” by Aleister Crowley
“The Satanic Ritual: Companion to the Satanic Bible” by Anton Szandor Lavey
“Ziglar on Selling: The Ultimate Handbook for the Complete Sales Associate” by Zig Ziglar
“Acid Indigestion Eyes” by Wayne Lockwood
“Des Destinees de l’Ame (Destinies of the Soul)” by Arsene Houssaye
“The Highwayman: Narrative of the Life of James Allen alias George Walton” by James Allen
“Encyclopedia Brown: Boy Detective” by Donald J. Sobol
“Long Lost Friend” by John George Hohman
“The Book of the Sacred Magic of Abramelin the Mage” translated by Samuel Liddell MacGregor Mathers
“100 Things Giants Fans Should Know and Do Before they Die” by Dave Buscema
“The Book of Lies 3: Tokyo Drift” by Aleister Crowley
“The Book of Black Magic” by Arthur Edward Waite
“Justine et Juliette” by Marquis de Sade
“My First Grimoire!” by Carrie Mullen
“My First Pop-Up Grimoire!” by Carrie Mullen
“Les Terres du Ciel” by Camille Flammarion
“Chicken Soup for the Satanist’s Soul” by Jack Canfield, Mark Victor Hansen and Satan
“Les Fleurs du Mal” by Charles Baudelaire
“Kelley Blue Book Used Car Guide Consumer Edition April-June 2014” by Abdul Alhazred
Tom Joyce's chamber of the bizarre 
[shudders] Eeew. 😉
If it’s any consolation, I made most of that up. (Although Martha Stewart did actually write a cookbook of cannibalism recipes. That part is true.)