The Software Engineer's Guidebook

Another one worth mentioning: The Software Engineer's Guidebook by Gergely Orosz. This one's less about the technical depth and more about the career side of things, how to navigate performance reviews, promotions, working with managers, picking the right company, handling the politics nobody talks about early on. I've actually started recommending this to the junior devs on my team, since it fills in a lot of gaps that no bootcamp or CS degree really covers. Wish I had this book when I was starting out.