This is my favorite programming book. It provides the test cases for the whole ray tracer, and making them pass was really addictive. I was obsessed with it for

This is my favorite programming book. It provides the test cases for the whole ray tracer, and making them pass was really addictive. I was obsessed with it for the month or so it took to finish. He's also written another book on mazes, but I haven't had the chance to read it. I wish there were a similar book on 2D graphics, which are plenty complex themselves.