Whats the deal with counter-rotating props?

Thanks Jim

"Jim Burns" wrote in
:

One of my favorites is Bob Gardner's book The Complete Multi-Engine
Pilot. It's written in a very easy to read down to earth manner. The
Jeppesen Guided Flight Discovery, Multi Engine book is very complete,
but in my opinion hard to read due to the distracting pictures and
captions. Jim


Rob McDonald" wrote in message
...
What would you multi folks recommend as good "introductory" reading...