A slideshow gallery (also downloadable) of the works of Harvey Kurtzman, best known as the creator of Mad. I was totally unfamiliar with his really early superhero stuff, so this was a real treat for me. Link Discuss (Thanks, Marc!)
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. Come and hear Mark speak at the ALA conference in Chicago on July 1.