HeckFeck: If you're interested in something closer to the hardware than Python, why not read about the language that implements Python? It's a programming classic, very concise, easy to read and... read comments

jsgoller1: It's mainly geared towards Java and C/C++ programmers, but even as a DevOps engineer I'm finding a lot of it useful. read comments

wyc: IIRC, throughout the chapters, it has you build some kind of interactive command line music organizer, which really demonstrates how much you can get done with a few simple shell scripts. read comments