This is a fieldbook in a real sense — "a notebook for keeping field notes in surveying." Sutherland, through case studies, examples of successes and failures, and demonstrations of unexpected applications of Scrum to work well outside of software development, helps the reader to understand the value of the agile Scrum approach. This is not a book about 'how to do Scrum.' But this is a book about why Scrum works, and how, practically, it can work well and how it can go wrong.
It's also very readable, with chapters that have backlog actions and takeaways, and interesting stories from Sutherland's work as a reporter in the field.
Recommended to anyone who's already immersed in the field, and looking to broaden their understanding of its value and why, or looking to debug implementations gone wrong.