A young boy supports his family through earnest labor and honesty. Unlike most Alger novels, the plot keeps the unlikely circumstances to a minimum. The one strange event being the affair of the valuable ring, which occupies the last half of the book. This device eliminates the usual rescue by an influential rich man, but it does still require a reputable rich man to vouch for Paul honesty in circumstances that would never occur in the real world.
Horatio Alger Jr. ; January 13, 1832 – July 18, 1899) was a prolific 19th-century American writer, best known for his many young adult novels about impoverished boys and their rise from humble backgrounds to lives of middle-class security and comfort through hard work, determination, courage, and honesty. (Excerpt from Wikipedia)