In The Sun Dog the concluding novella in Stephen Kings best-selling Four Past Midnight the source of terror is a simple Polaroid camera owned by a -year-old boy in the small town of Castle Rock Maine No matter where Kevin Delevan aims the camera it produces a photograph of an enormous ugly vicious looking dog In each successive picture the menacing creature draws nearer to the flat surface of the Polaroid film as if it intends to break through When old Pop Merrill the towns sharpest trader gets wind of this phenomenon he envisions a way to profit from itbut the Sun Dog a beast that shouldnt exist at all turns out to be a very dangerous investment