Wonderful, thank you for providing this content at no cost. Would there be a description of what new material was added in this version?

> I don't want to live in a world where someone else is making the world a better place better than I am.

Oh yea? Well I'm planning on making "Ray Tracing in _One Afternoon_" and I'm going to not only make it public domain, I'm going to personally deliver a printed copy to everyone in the world.

(RTOW is lovely. I love how it has evolved. Thank you!)

This book was wonderful. I worked through it and it made it super easy to create one. Thank you for writing this!

(https://github.com/chunky/sqlraytracer was the one I created. Slightly obtuse but I really enjoyed writing it)

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