The format of the book roughly follows the same approach taken in "Road to Baghdad". An overview of the conflict is followed by explanations of the specific rule elements for Force-on-Force that apply to the current conflict in Afghanistan.
After that we have the 20 scenarios, followed by details of organisation and vehicles for the various ISAF and Afghan forces. A quite nice part of this book is a guide to uniforms, painting and model selection for the conflict. It desn't suit my predeliction for 6mm all that well, but it's nice to see in what is essentially a hooby book.
If you've been a follower of Ambush Alley Games and modern wargaming for a while, there may not be a whole heap for you in this book, apart from the scenarios. I had a vague feeling of "samey-ness" leafing through the book, but to be honest I have not found the time to invest in a cover-to-cover in-depth read.
If you're interested in Afghanistan, it's obviously a must have. If not, then I'd leave it.
Maybe it's because it's Australian focused, but I think the older Operation Uruzghan book that AA Games issued before the Osprey partnership was a better book, with scenarios more suited to what I'd like to game in the Afghan conflict.