Tarzan and the Jewels of Opar: A Positronic Book

First published in 1916, this fifth installment of the Tarzan series returns to the lost Atlantean colony of Opar and tests the ape-man's identity against the pull of the primitive world.

When Tarzan is betrayed and left for dead, a violent blow to the head robs him of memory and reason. Stripped of civilized identity, he reverts to instinct and returns to the jungle as a creature of raw survival. Jane believes him dead. Allies scatter. Enemies circle. In this altered state, Tarzan is drawn ...