jazig and alphie, thanks for the kind words. We will certainly post to Australia, and most other places in the world.
Special thanks for reading my book. It was a lot of work to write that.
Which color is best for cooling? Blue! However it works so well it doesn't allow the heater to work in the winter time so it's available in warmer climates only. KIDDING! Personally I like red, it really brings these engine bays alive, and it's sort of a historical racing color on Italian cars.