Four Great Saints. Saint Paisius the Great, Saint Pachomius the Great, Saint Euthymius the Great, and Saint Theodosius.

Softcover, 158 pages. 
Publisher: Holy Trinity Publications - Holy Trinity Monastery, 1st Printing, 2007. 
Size: 5 1/4" x 7 1/2"  
ISBN: 0-88465-139-8