The valhalla prophecy

In a Stockholm museum, thieves steal an enormous Norse runestone, but not before killing a security guard. When Nina Wilde, head of the International Heritage Agency (IHA), and her husband, ex-mercenary Eddie Chase, arrive to investigate, they are told a chilling story: A scholar has discovered that the stone may be one of two keys to finding the mythological site of Valhalla, where the Vikings predicted the world’s final battle would begin. The...