Excellent I'm very interested in the as a long term study. Taking due note of these books, I have heard of electrogravitics systems, (haven't read any of these), and some others like Faster Than Light Propulsion Now by Dr Bray, and Total Temporal Gravitic and Faster Than Light Propulsion with Zero Energy Requirements (can't speak to any validity, haven't read, just on my list)
THANKS BIG DUDE!!