Mostly Ghostly - One night in Doom House

the long version

Dragged into a haunted house by his friend Aaron, Max finds some objects that he thinks might help his ghost friends Nicky and Tara. But when he takes them home for further research, he upsets a whole colony of evil ghosts--and sends a crazy human-melting Heat Ghost after the girl of his dreams! When Max realizes what he's done, he embarks on a wild ride across town to keep the ghost from melting his classmates. Will he make it in time--or will his whole school melt into the ground, with all his friends inside?From the Hardcover edition.