Inside the Machine

I would split the books into two categories: those that improve the way you structure your code and deliver a software solution, and those that improve your technical understanding of the software platform and the computer you're using. The first are books like Pragmatic Programmer, Mythical Man Month, Code Complete, Design Patterns, talks by Alan Kay on software systems and OOP, even Game Engine Architecture etc. A lot of the content there is distilled experience which is much faster to learn from a book than gain the hard way on the job. The other books are practical deep dives. Here I would recommend a variety of books like Inside the Machine by Stokes, Computer Architecture by Hennessy, 21st Century C by Klemens, Crafting Interpreters by Nystrom, Compilers by Aho, Effective Java, Nature of Code by Shiffman, Ray Tracing Challenge by Buck, Hands on Hacking by Hickey, and others, depending on your interest and area of focus.