Beverly Lewis 
Creepy Sleep-Over (Cul-de-Sac Kids Book #17) 

Dunkum Mifflin has finished reading his twenty-fifth book. The big reward: a sleep-over at his teacher’s house!Dunkum and his classmates are excited. But then Miss Hershey reads a poem–The Raven–at the sleep-over. Suddenly, Dunkum’s frightened. He sees weird shadows and hears strange noises. What’ll he do in the old mansion on the hill?When Jason Birchall offers to help Dunkum overcome his fears, some wild and wacky things begin to happen!