I gave a 5 For it is a book that will allow you to assimilate all the grammar of the Egyptian way. But be careful. With its 800 pages, it is for determined who is courage and veulent.Alors therefore, it does not happen with the snap of fingers. This book is the reference in the middle and is used to the Cheops Institute. But ... excellent in his approach that gives the chance to the beginner. Although little fun, it's worth its price.