>The Sovereign Military Order of Malta
He's wearing the pyramid cross
How many of the high level Nazis were actually Germans?
Q told us to read this book
Well when you type in Q's tripcodes on Google Books a bunch of books pop up, and this is one of them.
Google Books normally doesn't do stuff like that, so we assume that Q team put those books out there for us to read and learn.
Not so many that it looks like an accident. They're all relevant.
But it's not a short list of books either. You could build a library shelf with this list.