“Garbage in, garbage out” is an old programming concept that is today somewhat similar to the “Building the right product versus building the product right” mantra. In Agile project management approaches like Scrum, the role of the product owner is fundamental to deliver value to the customer. Scrum. The Product Ownership book written by Robert Galen is completely dedicated to this crucial role and aims at presenting approaches, behaviors and attitudes of great product owners. The Scrum Product Ownership book discusses with a pragmatic view the main aspects of the product owner life, from the definition of user stories and release planning to attendance to Scrum meetings or the incorporation of software architecture and design in Agile projects. The book is clearly written and well structured. The chapters are presented at the beginning of each section, thus allowing you to pick up specific content if you need it. The book contains also an extended list of external references if you want to explore other sources on specific topics. The balance between the definition of concepts and the presentation of Robert Galen personal experience is good. There are many insights that you can get from this book and it was a difficult task to choose the quotes published below from all the material I had selected while reading the book. I will recommend this book naturally to every Product Owner, but also to all people involved in Scrum development or working in the requirement areas, like business analysts or product managers. [...]