Too much a rehash of so-called "best practices," which in fact, could be used with any other activity and/or change initiative. Nothing new...
As other reviewers have also pointed out, not much depth and/or totally lacking in substance. I do begin to wonder where the 5- and 4-star reviews come from...
Moreso, the use of "Agile" in the title? There is nothing "Agile" about what he has written, if you take it from the perspective of the Agile Methodology/SCRUM, etc. After the last page, I felt like being a victim of a "bait-and-switch."
In summary, I was hoping to find some PMO-specific best practices, processes, methodologies, templates, etc. that I could leverage in my work. The title of the book is very misleading, and unfortunately came out feeling empty-handed...