TITLE: Good textbooks on combinatorics for self-study
QUESTION [29 upvotes]: Can anyone recommend a good introductory textbook on analytic combinatorics for self studying? It should be for a first year graduate student.

REPLY [2 votes]: If you are looking for a tough but very good book I recommend the following. I am working through it right now: A Course in Combinatorics by Van Lint and Wilson:

It gives a lot of proofs and it really has you thinking all the time.