And here is the book at Amazon - Everything Explained for the Professional Pilot: Excruciatingly Detailed Explanations of Everything Essential for Every Pilot:
link
There is one of these pdf downloading sites that is free, not a dodgy trap (so far) and which has been useful to me - scribd.
Here is Annex 14 for example.
www.scribd.com Annex 14 ICAO