Goosebumps #25: Attack of the Mutant
Skipper is your ordinary pre-teen boy, except that he is obsessed with a comic book series called The Masked Mutant. He reads every new issue as soon as it comes out. One day he takes the bus to the orthodontist and meets a girl named Libby. He picks on her for reading what he considers lame comics, but they get along. He gets the next issue and sees the villain’s hideout, which looks like a huge pink fire hydrant. Later, he sees the same building in his town. Libby has no idea that the building appears in the comic and tells him that the building has been there since before she moved to town last year. When he goes back, the building is gone and she tells him that they tore it down. The next issue shows the villain throwing an invisibility cloak over the building. He sneaks inside with Libby and sees a weird flash go over him. He loses Libby inside, but finds a bunch of back and future issues, plus drawings. He realizes that the building is home to the printing company, finds Libb...