While surfing at random today I came acorss a comment asking why O'Reilly books were the colour they are. I recalled that somewhere I'd seen a map explaining this logic, and a few seconds later, Google had found it for me. As we say at work "Google is your friend.....".
In the unlikely even you are interested about the link, it's here: http://letters.oreilly.com/graphics/route_map.jpg
