I found a good description of how to get to the start of the South Nahanni River overland from Yukon.
Challenging canoe descent of the Tsichu, Keele andthe Mackenzie Rivers.
Hiking on the Canol Heritage Trail.
Solo canoeing of the Pelly, South Macmillan and the Yukon Rivers.
Bowron Lakes in central B.C. both in summer and winter.
Author must love returning into unspoiled wilderness.
60 pages of photos.