Recommendation for learning about stellar astrophysics I would like to know which are the best books to learn about stellar astrophysics at (just) graduate level. 

I have a basic formation in general astrophysics but I'm interested in learning about stars, specially their evolution and constitution. I also have a good mathematical formation so it should not be a problem (but I don't care if it focus on the ideas as long as it is a good book and make itself clear).

I found several books at the university library, but I don't know which of them are good (in my situation at least).
Best book I have used for this topic is: An Introduction to Stellar Astrophysics by Le Blanc.

Excellent book, very good introductory start into this topic.