Posts: 2,247
Threads: 200
Joined: Jun 2005
Coming from an ex-book writer, I say it looks like a "Jack of all trades and master of none" kind of book. The page count is low and the title claims to cover a wide variety of machines--each machine deserving a book by itself if you want to do justice by it.
Namir
Posts: 54
Threads: 6
Joined: Sep 2010
I did a google on "Books LLC", and it appears that it may just be a rehash of public-domain ifnormation from wikipedia and other sources. Not something I'd spend money on.