I'm currently researching for a TV drama, and have traipsed through all the usual suspects like Andy McNab and Chris Ryan's books (novels, biographies and reference). This is in a different league. It's amazing!
It's quite a small sized book, easy reading, and short yet without skimming on information. It's also got the tiniest of text (8pt or similar!). It reads like a military field manual: it's firm, clear, and to the point. It is so frank, so often, that every few pages I was left startled by new insights into the dirty world of intelligence and surveillance. As the author Barry Davies says in the introduction, all the information is on the web, but at least 50% of the contents of this book was totally new to me: Dead Letter Boxes and passing messages; recruiting and handling agents; disguises; techniques for mobile and static surveillance; garbology (what they say and what it means); tips on effective sabbotage; techniques on lock picking and breaking and entering; how to fight [really, really] dirty; how to create a new identity and obtain a new passport from families of the recently deceased(!); govt intelligence systems like Echelon; ways to bypass keypad entry systems... It just goes on and on. I can't stop thinking about some of the stuff that he highlights that must be going on all around us. Amazing!
My only reservation is the front cover: It's doesn't inspire confidence that the book is going to be any good, yet it's also just blaitent enough to detract from reading it whilst on the tube.
This isn't a book for spies, but if you want to learn a little (or a lot) about the real world of Jason Bourne and James Bond, then I highly recommend this book.