The lock-in

At the house shared by Abigail, Thomas, and Daniel the three explain to Mary and James that they search the country for Portals to the dead. They believe a Portal exists in Hawthorne Harbor and the Fire that destroyed the old high school had something to do with it. When a fire breaks out during the Junior/Senior Lock-In exactly fifty years after the Fire, it seems they are right! But are they? And if so, who--or what--is controlling it? Claw is an imprint of Magic Wagon, a division of ABDO.