' … a thorough treatment of the theory of combinatorics.' Monatshefte für Mathematik 'Since the first edition almost fifteen years ago, a new generation of young mathematicians has grown up on reading this book and solving the problems at the end of each chapter, thus deepening the understanding of the results read, analyzing special cases and proving additional results. Furthermore, ... Read morethis monograph is an excellent reference book for those working in this area of mathematics.' Acta Sci. Math. 'This is an excellent book, essential for anybody working in the field. Although written by several authors, who constitute the collective author M. Lothaire, the book makes a surprisingly compact impression. As already mentioned, it has all prerequisites for an important reference tool.' EMS Show Less