Small format - over 800 pages, the first new Catechism of the Catholic Church in more than 400 years, a complete summary of what Catholic throughout the world believe in common. This book is the catechism (the word means "instruction") that will serve as the standarad for all future catechisms. Este libro está en español. The Catechism draws on the Bible, the Mass, the Sacraments, Church tradition and teaching, and the lives of saints. It comes with a complete index, footnotes and cross-references for a fuller understanding of every subject. ESTE LIBRO ESTÁ EN ESPAÑOL.