Its not over
I do agree with the previous posts, aviation is not just a matter of one book, not even 14 ATPL books will be able to make you a good pilot if you dont remain current flying or with FAA/EASA/ICAO notices.
Sorry guys, I havent been able to finish the book, thats why I have to keep posting the correct answers as I go through it. I might have missed a few as well.
Page 64.
What are thust reversers and how do they work?
Answer:
3 types: Clamshell doors, Bucket and Blockers.
Reference
Oxford Aviation Book Powerplant, 7-1