Unlock the world of combinatorics with “Introduction to Enumerative and Analytic Combinatorics,” the essential bridge between undergraduate discrete math and advanced graduate studies. This award-winning textbook, now in its third edition, makes the fascinating field of counting principles, permutations, generating functions, and graph enumeration accessible to a wider audience. Designed to spark student interest, it covers foundational concepts and delves into advanced topics like error-correcting codes and magic squares. New to this edition are “Quick Check” exercises, a section on the Lagrange Inversion Formula, and expanded multivariate generating functions. Perfect for students and instructors seeking a comprehensive and engaging exploration of this rapidly growing mathematical discipline at The Bookish Owl.