A very informative book bringing together the diary entries of those on the journey that survived afterwards. The author focuses on Sacajawea's contribution to its success and uses what others wrote to construct a plausible personality of a young women of 16 years of age who, with a baby on her back, traveled 3,000 miles over the roughest landscape without complaint, panic, or cowardice. An indomitable spirit we can only try to emulate, who was left in the background of history because she was a Native American until the 20th century.
A bit documentary stylistic for me but none the less, has some good stories about the title heroine and her journeyings. Historians would probably love it better than novel readers.