These playing card-sized history supplements portray 24 important figures in Catholic history (the remaining card is a cover card with instructions for games that can be played with the set). There is one card for each of the following people: Alfred the Great, St. Joan of Arc, Prince Henry the Navigator, Christopher Columbus, Mary Queen of Scots, Marco Polo, John Henry Cardinal Newman, Fr. Jacques Marquette, King St. Louis IX, Queen Isabel of Castile, Charlemagne, St. Francis Xavier, Dante Aleghieri, Emperor Constantine the Great, St. Thomas More, G.K. Chesterton, Junipero Serra, St.