The introduction by Brown and Brightman describes Nelson's career in the fur trade and explains the influences affecting his perception and understanding of Native religions. They also provide a comparative summary of Subarctic Algonquian religion, with emphasis on the beliefs and practices described by Nelson. Stan Cuthand, a Cree Anglican minister, author, and language instructor, who lived in Lac la Ronge in the 1940s, adds a commentary relating Nelson's writing to his own knowledge of Cree religion in Saskatchewan. Emma LaRoque, an author and instructor in Native Studies, presents a Native scholar's perspective on the ethics of publishing historical documents.