Programmers and coding on game engine:

The Definitive C++ Book Guide and List? - stack overflow https://stackoverflow.com/questions/388242/the-definitive-c-...

Best Lua Books for Beginners and Advanced Developers - turing https://www.turing.com/kb/best-lua-books-to-learn-embedding-...

Unreal Engine 5 Revealed! | Next-Gen Real-Time Demo Running on PlayStation 5 - youtube https://www.youtube.com/watch?v=qC5KtatMcUw

Best Unreal Engine Books For Aspiring Game Developers - whatpixel https://whatpixel.com/best-unreal-engine-books/

3d animators and content assets:

Best 3D Modeling & Digital Sculpting Books - Concept Art Empire https://conceptartempire.com/best-3d-modeling-books/

Final fantasy X/2 - Cascada Everytime we touch (slow) - youtube https://www.youtube.com/watch?v=fuFF_6bg4T4

3D Animator Job Description, Salary, Skills & Software https://www.cgspectrum.com/career-pathways/3d-animator

Dead Fantasy Full HD all Part (1, 2, 3, 4, 5, 6) - youtube https://www.youtube.com/watch?v=EHA3opXjcd0

The Art of Fighting Game Animations: A Step-by-step Guide - ArtStation https://www.artstation.com/blogs/gamepackstudio/4wON/the-art...

Good luck! Oh, is this what you want or what your son want? >=P