Throughout my decades in electronics and as an EE undergrad and graduate student, knowing which book or textbook to use was a torturous process of research and trial & error that eventually led me to (in my opinion) the best collection of books that I enjoyed studying in the past and learned a great deal from and those that I still go back to right now. Let's share our favorites and make it easier for younger hobbyists and students to find the jewels.
Here is a short list my favorite books that enjoyed and still have but rarely use now: