I was introduced to fuzzy logic by Earl Cox’s book[1] then I read through his papers[2]. I think reading the book helped a lot since it gave practical examples and code.

1) https://www.amazon.com/Fuzzy-Systems-Handbook-Second-Practit... I had the 1st but 2nd is better

2) that list looks pretty complete but it has been some years

Fuzzy Sets can be used in a pretty wide variety of fields. Here are three books by the same author that cover a pretty big area:

http://www.amazon.com/Modeling-Algorithms-Exploration-Kaufma...

http://www.amazon.com/Fuzzy-Logic-Business-Industry-Windows/...

http://www.amazon.com/Fuzzy-Systems-Handbook-Second-Practiti...