"Don't Make Me Think" is a book by Steve Krug that focuses on web usability and user experience design. The central idea is that websites should be intuitive and easy to navigate, allowing users to find information quickly without confusion. Krug emphasizes the importance of simplicity in design, arguing that users should not have to think hard about how to use a site. The book provides practical advice and guidelines for creating user-friendly websites. It encourages designers to prioritize user needs and conduct usability testing to identify potential issues. Overall, "Don't Make Me Think" serves as a valuable resource for anyone involved in web design and development.