If the video format is not for you, I would at least follow the contents, then look up the individual pieces. The black book has a number of them: https://www.jagregory.com/abrash-black-book/
Then people will jump in to say that the PBRT book (https://www.pbrt.org/) is a better or more comprehensive source, and it is true, but my opinion is that From the Ground Up is easier to get started with.
If the video format is not for you, I would at least follow the contents, then look up the individual pieces. The black book has a number of them: https://www.jagregory.com/abrash-black-book/
For ray tracing, Ray Tracing from the Ground Up: https://www.amazon.in/Ray-Tracing-Ground-Kevin-Suffern/dp/15...
Then people will jump in to say that the PBRT book (https://www.pbrt.org/) is a better or more comprehensive source, and it is true, but my opinion is that From the Ground Up is easier to get started with.