FOR THE SPACE OF TWO DAYS WE SAILED ALONG A FLAT coast among many islands that are called the land of Dans, coming finally to a region of marsh with a crisscross of narrow rivers that pour onto the sea. These rivers have no names themselves but are each one called “wyk,” and the peoples of the narrow rivers are called “wykings,” which means the Northmen warriors who sail their ships up the rivers and attack settlements in such fashion.