Goosebumps: Werewolf Skin (1997)

Summary: A boy named Alex Hunter, a photographer, goes to stay with his Aunt Marta and Uncle Colin in a small town named Wolf Creek. Being from the city, he is eager to take photos of the trees. Marta and Colin warn him of the next door neighbors, the Marlings, who seem to be an angry, old couple who hate everyone. Alex is also introduced to Hannah Brackett. In the days leading up to Halloween, Alex learns that the town is obsessed with werewolves and even believes in them.