The boundaries between products and services are blurring and it is time for a different way of thinking: this is service design thinking. A set of 23 international authors and even more online contributors from the global service design community invested their knowledge, experience and passion together to create this book. it introduces service design thinking in manner accessible to beginners and students, it broadens the knowledge and can act as a resource for experienced design professionals. Besides an introduction to service design thinking through five basic principles, a selection of individual perspectives demonstrate the similarities and differences between various disciplines involved in the design of services. Additionally, The book outlines an iterative design process and showcases 25 adaptable service design tools, exemplifying the practice of service design with five international case studies. The book concludes with an insight into the current state of service design research and sets service design thinking in a philosophical context.