*The Design of Everyday Things* by Don Norman is a seminal book on design principles and usability. It explores how the design of everyday objects influences their usability and the human experience. Norman emphasizes the importance of user-centered design, advocating for products that are intuitive and accessible. Through engaging examples and insightful analysis, the book examines the principles of good design, such as affordances, feedback, and constraints, and how they contribute to effective and enjoyable user interactions. It’s a foundational text for designers, engineers, and anyone interested in improving the functionality and user experience of everyday objects.