Donald Willis
Dr. David Banner meets a former student, who has a magical hammer that summons Thor, a Norse god who is prevented from entering Valhalla. When the two superheroes stop feuding long enough to breathe, they are a team unmatched by any of their enemies.
Roger Cobb is a author who has just separated from his wife. He moves into a new house and tries to work on a novel based on his experiences in the Vietnam War. Strange things start happening around him; little things at first, but as they become more frequent, Cobb becomes aware that the house resents his presence.