The C programming language (ansi edition) - I had it before even leaning how to program properly. The explanations was so clear you could work out the examples with pencil and papers

Mystical man-month and the pragmatic programmer. The former gave insight about managing a team, the other about managing yourself.

Currently I’m reading:

Unit Testing: Principles, Practices, and Patterns by Vladimir Khorikok

Designing Data Intensive Application by Martin Kleppman

And very recently completed Learning Domain-Driven Design by Vlad Khononov

I think the three are quite good too