""The Yellow Back"" is a novel by James Oliver Curwood, first published in 1921. The story follows the adventures of a young man named David Carrigan, who is sent to the Canadian wilderness to investigate a murder case. Along the way, he meets and falls in love with a beautiful woman named Joan, who is being held captive by a group of outlaws. David must use all of his skills and courage to rescue Joan and bring the criminals to justice. The novel...