The pair of them could debate the smallest issue for hours in that sing-song tit-for-tat way the Norse had. They would end up hair-splitting over some terminally dull point of Viking history. Suddenly the world would hinge on whether Olaaf Thorgulson, fourth son of Thorgul Olaafson, sailed from Haagenfast in the 28th year of the Iron Jarls or the 27th . . .
