Book Autopsies by Brian Dettmer

The blog where this was posted originally, Centripetal Notion, states what this is about quite clearly:

Brian Dettmer carves into books revealing the artwork inside, creating complex layered three-dimensional sculptures.

Some of these are pretty amazing--and I have no idea how long these works must have taken. But hey, those of you who read books just for the pictures: you'll be in heaven!

Found via Eddie Campbell.