The third and final book in the epic HOUSE OF SECRETS series. Get ready for another roller coaster ride of an adventure!

Just when the Walker kids thought life would finally go back to normal, they realize their adventures are far from over. They’ll encounter dinosaurs, aliens, killer robots, and the Wind Witch herself—with new friends and old—and be faced with some of the deadliest choices they’ll ever have to make. The scariest thing of all could be deciding who to trust, since everyone is hiding something…