Valhalla — Tom Holt

As everyone knows, when great warriors die, their reward is eternal life in Odin's bijou little residence known as Valhalla. But Valhalla has just changed. It has grown. It has diversified. Just like any corporation, the Valhalla Group has had to adapt to survive. Unfortunately, not even an omniscient Norse god could have prepared Valhalla for the arrival of Carol Kortright, one-time cocktail waitress, last seen dead, and not at all happy.