Revenge of the Wizard's Ghost

A young man is possessed by an evil spirit in this “gothic spine-chiller” by the author of The House with a Clock in Its Walls (Booklist)
 
The abandoned schoolhouse sits just outside the town of Duston Heights, Massachusetts, and Johnny Dixon is not sure what called him there. Inside the darkened building, he finds three chilling stained glass windows which show a hooded monster, a vengeful angel...