You've probably seen this, but its worth sharing anyway:
https://youtu.be/3KrOZBl8ZPQ
Obviously doesn't go into the same level of detail as the book is able to, but gives a good overview of it all with plenty of insight from those involved.
Should be of interest to plenty on here, Ewan McGregor basically going through the history of the RAF, talking to pilots (including Johnny Johnson and Martin Withers), looking at the various kinds of aircraft that have been in use over the last century and culminating with him taking a ride in a...