I've just finished this book and I must say I think it is the best modern warfare book I have read since Blackhawk Down.

It is the true story about an American base in the Nuristan province of Afghanistan that is assaulted by the Taliban and almost overrun. It is written by a soldier who was involved in defending the base and he is a superb writer. He does not appear to have used a ghost writer. I could not put it down. It depicts modern warfare and especially small squad infantry tactics and warfare in all its gritty and terrifying detail.

I believe it is being made into a movie. It is currently available at Exclusive Books and well worth the buy.