This book is a must have for all students of Graphic Design Schools / visual communication, graphic maquetistes, art directors, and people who are interested in the layout ... in short all those who love good setting page. Not only has he explained What is a grid but aprend you how to do and gives you a very good examples of layout. On the other hand if you know who wrote this book, you can not go wrong. This book reads, and above it looks! (Parcontre I think it is in English and German only, and not in French)