Warlord of Mars - Dejah Thoris Vol.6 (TPB)

Dey Toris, fearless Princess of Mars, is faced with a terrible enemy from her past! Senneth Dore, former Jeddak of Yorn, Leading back ... irresistible army machine men on the march to the helium! As the princess would mobilize his beloved city-state against the clockwork horror when one of its most reliable allies was drafted enemy? Collecting issues # 25-30 of this fan-favorite series!