The resource is both an online catalog of resources as well as a publication. Combined, they comprise a basic but comprehensive introduction to service design and a selection of service design tools. The resources include the fundamentals of service design, an explanation of the Double Diamond design process and how it is used in service design, what to expect when working with a designer, and tools and methods that service designers use in the creative process. The publisher is considered the creator of the Double Diamond design process, which is ubiquitous in the design world.