Ensembles ordonnés finis : concepts, résultats et usages

From the reviews:

"The stated aim of this book is to provide the basic concepts and results on finite partially ordered sets, together with applications in various disciplines and to indicate some of the ongoing research. … Each chapter contains many exercises, making the book suitable as a textbook or as a reference book. The book is unique in giving equal attention to the combinatorial, logical and applied aspects of partially ordered sets. It helps mathematicians working in different fields … . A must read." (Gábor Hetyei, Mathematical Reviews, Issue 2008 f)