"I've always looked upon cartooning as comedy's last frontier" says Martin in the introduction to the book. "I have done stand-up, sketches, movies, monologues, awards show introductions, sound bites, blurbs, talk show appearances, and tweets, but the idea of a one-panel image with or without a caption mystified me. I felt like, yeah, sometimes I'm funny, but there are these other weird freaks who are actually funny. You can understand that I was deeply suspicious of these people who are actually funny."
He does seem to have got over it though, and the collaboration will see publication just in time for the Christmas rush. This has to be a stocking filler favourite, yes?