Fort Desolation - R. M. Ballantyne

Jack Robinson is a solitary but adventurous soul, with a lifetime of expeditions behind him. Now middle-aged and settled on a farm in Canada, Jack believes his adventuring days are over. But everything changes when he receives a letter from his old friend John Murray, urging him to give up his farm and join him trading furs. Jack doesn’t need to be asked twice, and swiftly sets off on his next quest.