Horatio Alger 
Ragged Dick 
Street Life in New York with the Boot-Blacks

Originally published in serialized form, Ragged Dick is the type of heartwarming young-adult novel for which Horatio Alger is well-known. The story follows the adventures of the eponymous Dick, a young shoe polisher who overcomes his low circumstances and rises through the ranks of society by dint of his diligence, persistence, and general good cheer.