"Designing for Interaction" by Dan Saffer is a comprehensive guide to the discipline of interaction design. The book delves into the principles and practices of designing interactive products and applications, emphasizing a human-centered approach. It covers essential topics such as design research, concept generation, prototyping, and usability testing. Through real-world examples and practical advice, Saffer provides insights into creating innovative and engaging user experiences. This book is an invaluable resource for designers seeking to understand the fundamentals of interaction design and how to craft products that resonate with users.