Résumé: In the series conclusion, the final nine Sunday storylines by Russ Manning, in which Tarzan returns to Opar, Pellucidar, and Castra Sanguinarius, while Korak finds himself at the Sacred Lake of Krackao and the Elephants’ Graveyard. Collecting the complete strips run from March 24, 1974 through June 24, 1979.