It took weeks for me to finish this book. Not that it'a not good but because his ideas of the world were just so in the past and I find myself disinterested by what he had to say. He's a "proud loyalist", proclaimed numerous time in the book, and seems to preferred the world that decide a person faith based on their birth right. The espionage is only half of the book, maybe a couple chapters. So to called the book "Rama seven's spy" is misleading. It's more like his personal memoir where he kept hidden his own flaws and shone a spotlight on every else's. Which make me as a reader question his credibility of "his" version of the truth. However the espionage part is pretty interesting and insightful, though I cannot verified if the people revolution of Siam actually happened three days before Rama Seven gave his people constitution. So it's not a bad book but could have been a shorter book.