The Haunter (Goosebumps Most Wanted Special Edition #4)

"Sammy Baker is a quiet kid who wishes he wasn't so shy and timid. He is frightened but eager to prove he can be brave. On Halloween night, he follows his friends to the Marple House, an abandoned mansion on the other side of town. Just past midnight, he feels a cold tingle at the back of his neck.... Sammy doesn't realize that he has just met The Haunter, and that his nightmares are only just beginning"--