Ilya, I don't know of any C books that step away from C that far. It'd be a serious digression, and I would expect most editors to smack the author about the head and neck for going off track that far. Bit manipulation and ASCII are applications that C can certainly do (and do exceptionally well), but neither have anything to do with any specific programming language, let alone C.
That's a bit like having a chapter on "right of way" in a Ford engine manual.
You're probably going to need a book on programming techniques, or very low-level programming (assembly) to get much of anything on bitwise. That's the bad news.
The good news is, bitwise operators and typecasting are actually very short subjects. The principles and operators can be described in only a few pages. The trick in understanding them is in practice using them, and knowing when and why. And that's not something that'll come through well in a manual. It's all context and decent assignments after that.
"Words that make questions may not be questions at all."
- Neil deGrasse Tyson, answering loaded question in ten words or less
at a 2010 talk MCed by Stephen Colbert.