"Rework" is a business book by Jason Fried and David Heinemeier Hansson, drawing on their experience running the successful software company 37signals. It challenges conventional business wisdom, advocating for small, profitable companies that prioritize simplicity, focus, and customer satisfaction over aggressive growth and complex strategies.

The book is structured around key themes like ignoring conventional wisdom, embracing constraints, enhancing productivity, managing competitors effectively, and building a strong company culture.