The works you'll discover on this site draw their inspiration from mythological stories of the Nordic Tradition which originally the beginning of the Christian era.
Those were compiled retranscibed by a man called Snorri Stuluson who lived in Iceland during the 12th century AD. The story tells this man received a meticulous education and a commanded a thorough knowledge of the Nordic Mythology.
Because of several trips to Scandinavia, actually it was Norway, he had been lucky enough to collect lots of stories which were at that time only stories by word of mouth. Then, he wrote them down and published them under the title of EDDA.

The EDDA means grand-father, everything that can be handed on by our ancestors, in particular Knowledge or Wisdom. So, collective memory of an entire people has been transferred onto those texts, like heroic stories telling the story of our world, from birth to Nordic pantheon God's destruction. Nobody besides him would have been more capable of collecting those gossip with such talent. Today, one can run through this anthology. Obviously, it is one of the masterpieces of the Middle-Age.
(If you wish so, you can find this book translated into French by Monsieur Francois-Xavier Dillmann, ed. Gallimard.)