"The Efficiency Expert" by Edgar Rice Burroughs is a novella written in 1919 and published in 1921. Jimmy Torrance, a celebrated college athlete, rejects his father's business offer to prove himself independently in Chicago. Struggling through numerous failed jobs, he befriends a pickpocket and eventually becomes an efficiency expert at a factory. There he uncovers embezzlement, meets a young woman named Elizabeth, and becomes entangled in a web of crime that leads to murder and false accusations. (This is an automatically generated summary.)
These books are free to read. Each is in the public domain in the United States; check your own country's rules before you copy or share one.