 FACT: Sam is supposed to be a serious comic book collector. However,  during his first encounter with the Frog brothers in the comic book  shop, he picks up several comics at the middle of the spine with  enough force to bend the spine of the book, the first one pretty  severely. Any comic book collector knows that this damages the book  and would never pick one up that way. Also, a comic book shop owner  would likely go ballistic if a customer handled books this way, or  at the very least not let them handle any more books.