This introduction to A Catholic Catechism explains in detail its underlying principles, deals with its arrangement, its regular use in school, its illustrations, its importance for preaching and pastoral work, its use by catechists, and its new approach to the problem of religious instruction. It provides invaluable background material for all educators interested in the theoretical foundations of current catechetical practice, and more particularly in those qualities of A Catholic Catechism which have made it universally esteemed as the definitive presentation of Catholic belief.