The Vikings certainly didn't write anything about themselves; it was not a literate, but rather a pagan, culture. So what we get was written later by Christian monks. But there were occasional reportings and recordings of people who had traded… — Michael Hirst Copy Share Image
Then I found books that were written much later, as late as 15 years ago. It was very superficial material, but enough to tell me that the genesis of this story was worth exploring. — Charles Guggenheim Copy Share Image