What I remember most about this book are shaders and lighting. Discovering how simple lighting model such as Phong’s can lead to already so great results was satisfying, reading about every type of textures and how they can affect a surface brought to me new opportunities, and finally, breaking down what are meshes and models seemed very useful for 3D game developement. Finally, getting better those concepts opened the door for adding shaders to my toolkit, since for instance I would now be more confident about using shader graphs in Unity.