Free Comic Book Day was started in 2002, a joint effort between comics retailers and Diamond Comics, the largest distributor of comic books and graphic novels in North America. The stated goal is to increase public awareness of the comic book industry and comic book retailers by giving away free books, specially printed by participating publishers. A secondary goal, of course, is to piggy-back on the coverage of whatever super-hero inspired film is coming out that summer for some free publicity. This year, the event takes place on Saturday, May …