James Oliver Curwood 
Danger Trail [PDF ebook] 

When an up-and-coming engineer based in Chicago is given the opportunity to collaborate on a major construction project in northern Canada, he sees it as the chance of a lifetime. But even aside from the natural perils of the frosty, foreboding region, there is intrigue and drama looming in the shadowy forests encircling the Hudson Bay. The Danger Trail is sure to enthrall readers looking for a thrilling story to fall into.