This -is- an advertisement for the book, but interesting and relevant I thought.
Product placement, neat as it is. :(
There’s also the “Ray Tracing in One Weekend” and follow-on books, which are shorter than this book, but free:
The code in the book is very simple C++, but I’ve finished the first 9 out of 10 chapters in Rust:
I can also recommend Ray Tracing in One Weekend which I used to build this: