The Dream of the Iron Dragon is the first book in the Iron Dragon series by Robert Kroese. In the 23rd century, humans were hunted by aliens. When an explorer ship stumbles back in time to Viking Scandinavian. Chased by the mighty King Harald, four crew members, they join the group of Vikings robbing all over Europe. With courage, determination, and wisdom they do everything to survive. They return to the stars to save human lives, self-survival is a small thing. Due to the efforts that lasted for decades, They together with the Vikings created a spaceship called the Iron Dragon.
