Higher Earth # 6 (Boom Studios 2012)

With no one to trust, not even each other, Rex and Heidi must find a way to work together as the agents of Higher Earth come ever closer.
Rex’s master plan begins to unfold as he and Heidi continue their arduous journey through a hundred different Earths.

Higher Earth # 6 is written by Sam Humphries wth art by Francesco Biagini and a cover by Frazer Irving.
 
Higher Earth # 6 is a 32 page comic book in full color.