Thomas Aquinas, Saint 1225?-1274.
A shorter "Summa": the most essential philosophical passages of St. Thomas Aquinas' "Summa theologica" /
edited and explainrd for beginners by Peter Kreeft 
. - San Francisco  : Ignatius Press,  1993 
. - 162 p.  21 cm. 
<br/><label>  ISBN: </label>0-89870-438-3