RaytracingInOneWeekend Implementation of the Ray Tracing in One Weekend series in OCaml Series can be found here: https://www.amazon.com/Ray-Tracing-Weekend-Minibooks-Book-ebook/dp/B01B5AODD8/ref=sr_1_1?ie=UTF8&qid=1488085211&sr=8-1&keywords=ray+tracing+in+one+weekend (Rainbows)