- Author: James Oliver Curwood
- Copyright: Public domain
- Published in: 1910
- Word count: 47,147 words (≈ about 3 hours)
A tale of love, Indian vengeance, and a mystery of the North. The danger trail is over the snow-smothered North. A young Chicago engineer, who is building a road through the Hudson Bay region, is involved in mystery, and is led into ambush by a young woman.