It may be defensibly maintained that, in the United States of America, no single catechism has had a more expansive impact on Catholic religious education than A Catechism of Christian Doctrine, Prepared and Enjoined by Order of the Third Plenary Council of Baltimore, most commonly known as "the Baltimore Catechism," or even more simply, "the Baltimore." The work of many hands over several years, the Baltimore Catechism has shaped the...