Compendium of the Catechism of the Catholic Church
The Compendium of the Catechism was published in 2005 and is the second best selling book only to the Encyclical “Deus Caritas Est.” It includes 589 questions and answers about the Catholic Faith and is meant to accompany the Catechism of the Catholic Church. It is now online in English at
http://www.vatican.va/archive/compendium_ccc/documents/archive_2005_compendium-ccc_en.html