R.L. Stine 
Halloween Party [EPUB ebook] 

The invitation arrived in a black-bordered envelope and was delivered by the beautiful and mysterious transfer student. The inside showed a coffin with the inscription Reserved for Youperfect for an all-night Halloween party in an old house on Fear Street. The party is well under way when the lights go out. Thats to be expected at the Halloween party. But when the lights come back on, a boy is on the floor with a knife in his back. Just a Halloween prank? Maybe. Maybe not. Now the guests trick-or-treating has turned to terror. And it looks like someones idea of a party game is murder!