A mathematical gem-freshly cleaned and polished This book is intended to be used as the text for a first course in combinatorics. the text has been shaped by two goals, namely, to make complex mathematics accessible to students with a wide range of abilities, interests, and motivations; and to create a pedagogical tool, useful to the broad spectrum of instructors who bring a variety of perspectives and expectations to such a course.
Features retained from the first edition:

Lively and engaging writing style

Timely and appropriate examples

Numerous well-chosen exercises

Flexible modular format

Optional sections and appendices

Highlights of Second Edition enhancements:

Smoothed and polished exposition, with a sharpened focus on key ideas

Expanded discussion of linear codes

New optional section on algorithms

Greatly expanded hints and answers section

Many new exercises and examples