(1) http://www.darkhorse.com/Comics/11-548/Mike-Mignolas-B-P-R-D-Hollow-Earth-1-of-3 (2)http://www.darkhorse.com/Comics/11-553/Mike-Mignolas-B-P-R-D-Hollow-Earth-2-of-3 (3)http://www.darkhorse.com/Comics/11-555/Mike-Mignolas-B-P-R-D-Hollow-Earth-3-of-3