Douglas West's Books
math.uiuc.eduHome page of D. West with description of his books: Introduction to Graph Theory, Mathematical Thinking: Problem-Solving and Proofs, Combinatorics: A Core Course, The Art of Combinatorics.
Home page of D. West with description of his books: Introduction to Graph Theory, Mathematical Thinking: Problem-Solving and Proofs, Combinatorics: A Core Course, The Art of Combinatorics.