John Carter has freed Mars from Issus, the false goddess whose tyranny onceruled the entire planet... but at a great personal cost. Dejah Thoris, hisbeloved princess, was taken by Matai Shang, a renegade priest determined toavenge the planet's shattered religion. Activating a doomsday device to destroythe fragile Martian atmosphere, Shang flees into the unknown regions of thenorth. Carter, aided by his son Carthoris and trusted alien pet Woola, mustunite the many races of Mars — despite the ages of distrust and openwarfare among them — for the singular purpose of averting JudgmentDay!This Omnibus contains the following two graphicnovels in one value priced book.Warlord of MarsVolume 3 9781606904084 $19.99Warlord of Mars Volume 4 9781606905005 $24.99