More of a general suggestion.
If you are in a university (for STEM stuff) and the professors are writing compendiums to complement the main course literature. Download and save them, and if it is available (for universities have book publishing printers), get the physical book. A lot of mainstream STEM books can lack either content (skipping something important), concrete examples (applied examples of how to actually use something), exercises with study guides (a fully explained soution). I realized this after trying to archive and wrapping up my courses that a lot of literature, and student textbooks are suffering from the over saturation problem. Since we are heading at a competency crisis, these compendiums are not going to be around since they are not really "official publications" and they often get lost when these professors are retiring. I already see these current PhD students can barely read or write, so the boomer generation that is about to retire and then die off is pretty much "peak academic literature" that we will see. The future will be standardized web portal articles and course video tutorials, and as someone who wants to avoid the screen this is something I refuse.
In short: Have a good professor writing compendiums to complement course literature? Buy a physical copy of it and dowload it. Bundle it toghether with the main book on your shelf and put it in your digital archive folder! This should also be applied to errata/"erratum" papers that you can insert in the physical book or in the folder.