2018 Reprint of 1954 Edition. In this book St. Louis De Monfort explains the rosary and its power in short sections called , each being about one or two pages long. Each discusses a separate aspect of the Rosary and is addressed to a different cross section of the audience, e.g. priests versus lay people. The book consists of an introduction, plus two main parts. Part I: "What the Rosary is" and Part II: "How to Recite it". The book is structured in terms of 53 Roses, i.e. sections. The book was intended as a compendium of everything that was necessary to know about the Rosary and to highlight its significance in Catholic life.