"Yes, that would be better," Ragnar says. "Eggs are good and valuable for feeding people as well. We'll have to try and hunt grouse and the like, up there. We have to feed the people we're bringing, or there would be too much pressure to act fast."

Pause.

"We'll need to send somebody to Ribe or Hedeby on the quiet, to sell what we brought back from England, and buy food for us. In one of the smaller coast-hugging boats, I think."