Harvard discovers three of its library books are bound in human flesh
17世紀頃はけっこう人皮本はポピュラーだった模様
http://res.cloudinary.com/roadtrippers/image/upload/c_fill,h_400,w_800/v1396299493/harvard-discovers-three-of-its-library-books-are-bound-in-human-flesh.jpg
http://res.cloudinary.com/roadtrippers/image/upload/v1396516181/p2mfnjwcibugqhkcuzfs.jpg
http://res.cloudinary.com/roadtrippers/image/upload/v1396516182/h6pbs9x5cic6xlgzouxe.jpg
http://res.cloudinary.com/roadtrippers/image/upload/v1396516182/hxqap9eocba18atigirx.jpg
https://roadtrippers.com/blog/harvard-discovers-three-of-its-library-books-are-bound-in-human-flesh