chunk: Upon returning to Helium, Carter is tried for heresy by the Zodangans; but the people of Helium do not tolerate this, and Carter is held prisoner for 365 days until his son frees him. Thereafter he goes to rescue Dejah Thoris but is kidnapped by the Zodangans. Carter refuses Zat Arras’ offer of freedom in exchange for endorsing Zat Arras as Jeddak of Helium, and is imprisoned. After half a (Barsoomian) year, Carter escapes, and embarks to Omean, with secretly raised troop levies, ships, and soldiers lent by Tars Tarkas. Near Omean Carter is challenged first by the Therns; secondly by Zat Arras; and lastly by the First Born, whereupon Carter causes the Therns and First Born to fight one another, and the Heliumetic crews of the Zodangan fleet mutiny in support of Carter. Thereafter the Heliumites and Tharks defeat the First Born, and Issus herself is killed. But Dejah Thoris, Thuvia, and Phaidor are imprisoned in the Temple of the Sun, each of whose rooms opens only once per year, by