Goosebumps #4: Say Cheese and Die! (R.L. Stine)
Greg, Michael, Bird, and Shari are best friends stuck living in a small town like all of Stine's characters. They decide to break, er, sneak into an old haunted house called the Coffman house. Not only is it haunted, but there's also an older guy in town who freaks everyone out called Spidey who supposedly lives there too. Oddly enough, they literally say the house is abandoned and sat empty for years before saying on another page that Spidey lives there. After hanging around for a bit, they find his room in the basement and like horrible little kids, they go through all his stuff and even put on his clothes. Greg finds a camera that he uses to take a picture of Michael right before Michael falls off a ledge or something and hurts himself. They then hear someone upstairs and manage to get out of the house right before finding that the picture he took shows Michael on the ground with an injured leg, just like what just happened. Greg goes home and takes a pictu