I'm not quite sure, if this book has already been discussed here...
On my summer-trip through England, I visited the RAF-Museum in London, too.
In the shop I bought the book "Albert Ball, VC"; a biography about AB.
It's very interesting to read and sometimes it's a little funny.
It's told how Albert grew up, how he came to the RFC and so on.
The end of course is his tragical death in May 1917.
Lothar von Richthofen got the credit to shoot AB down; but, as you probably know, this is very controversial.
I can definitely recommend this book; it's good to read.
http://amzn.to/2pphLdf