Dejah Thoris, the Martian heroine of Edgar Rice Burroughs' classic Barsoom novels, strikes out on her own, proving herself every bit as resourceful and daring as her famous human consort: John Carter, the Warlord of Mars! Thrill to her solo adventures in this massive Omnibus edition! Includes three full graphic novels: Warlord of Mars: Dejah Thoris Vol. 5: Rise of the Machine Men, Warlord of Mars: Dejah Thoris Vol. 6: Phantoms of Time, Warlord of Mars: Dejah Thoris Vol. 7: Duel to the Death.