Looks like a new book just came out, entitled Band of Giants: The Amateur Soldiers Who Won America's Independence. I'm waiting for my local library to get a copy in, so I have not read it yet.
http://smile.amazon.com/Band-Giants-Soldiers-Americas-Independence/dp/1137278773/ref=sr_1_1?ie=UTF8&qid=1411931818&sr=8-1&keywords=band+of+giants+the+amateur+soldiers+who+won+america%27s+independence
UL