Valhalla (A Shrouded World #4)

In this explosive fourth installment of the popular A Shrouded World Series, Jack is seemingly back from the dead. Mike and Trip are in a desperate bid to help their friend before he falls victim to whatever is plaguing the inhabitants of Valhalla. New enemies are exposed along with new found friends, will it be enough to stop the tides of time? Follow along, as our heroes embark on their most dangerous quest yet.