Nine Lives by Alan Deere is another great read that covers the BoB and beyond.
First Light, by Geoffrey Wellum, as previously mentioned is a wonderful book.
Also just out (Sept 09) is
Battle of Britain: A Day-by-day Chronicle, 10 July - 31 October 1940 by Patrick Bishop. See
http://www.amazon.co.uk/Battle-Brita...8585427&sr=8-2
PPanPan