We have purchased a limited number of books at $8/each for those who wish to meet and discuss this material weekly (9 am on Tuesdays)  To register, email Vi Richter at [email protected] or call 603-679-8805x203.  
Books are also available on avemariapress.com or Amazon.com  
For more info on the study, see:  Resources for the Season of Advent | Ave Maria Press