Older books on computing can really help. When computers were unfamiliar to almost everyone, the author took care to walk through the fundamentals of computer s

Older books on computing can really help. When computers were unfamiliar to almost everyone, the author took care to walk through the fundamentals of computer science. Jon Bentley. "Programming Pearls" https://www.google.com/books/edition/Programming_Pearls/kse_7qbWbjsC?hl=en https://www.google.com/books/edition/Programming_Pearls/kse_... - (not about Perl the computer language, but rather pearls or unexpected jewels of wisdom) An accessible style, a collection from the Communications of the Association for Computing Machinery (CACM). Also used in a first-year course of computer science at US Naval Academy. Simple problems are discussed in detail, often leading to subtle insight that yields better performance.