A question and answer format catechism that was the standard catechetical text in Great Britain throughout most of the 20th century. Popularly called the Penny Catechism, as the original version only cost one penny. Various editions of the Penny Catechism were issued through the century and changes were made to the text, particularly following Vatican II. This edition is the pre-Vatican II edition. - Summary by Wikipedia, modified by David Oderberg