Sipser[1] provides the clearest detailed description I've seen. You don't have to read anywhere near the whole thing. He covers the regular languages and (non)d

Sipser[1] provides the clearest detailed description I've seen. You don't have to read anywhere near the whole thing. He covers the regular languages and (non)deterministic finite automata in the first few chapters. [1] https://www.goodreads.com/en/book/show/400716 https://www.goodreads.com/en/book/show/400716