Sasquatch and the Green Sash is at once a translation and adaptation of the medieval English poem Sir Gawain and the Green Knight, from a time when parts of English culture were closer to Old Norse roots. Novelist Keith Henderson has chosen to Canadianize the original and set it among the native Dene of the Northwest Territories' Nahanni National Park, a place with its own suggestive tradition of beheading stories. The rich alliterative...