Shop Theory is a classic reference book written by James Anderson and Earl Tatro, often used as a textbook in vocational schools and technical programs. It provides a comprehensive overview of basic machine shop practices, including metalworking techniques, machining, and tool usage. The book covers topics like measurement, blueprint reading, machine operation, and safety procedures, making it a foundational guide for beginners in manufacturing and engineering fields. It’s especially valued for its practical approach and clear illustrations, which help learners apply concepts directly to workshop tasks.