"Tarzan the Terrible" is the eighth book of the enormously popular twenty-four volume Tarzan series of novels by adventure fiction writer Edgar Rice Burroughs.

In this epic tale, we discover Tarzan just as he learns that Jane - thought dead at the beginning of "Tarzan the Untamed" - may still be alive. He pursues her purported captors deep into the jungle where he discovers a hidden valley kingdom called Pal-ul-don, which not only contains two, fiercely warring tribes but also huge, carnivorous Triceratops-like creatures called "Gryfs" roaming the countryside. Can Tarzan avoid these man-eating monsters? Can one of these tribes be holding his beloved Jane captive? And who is this strange young man called "Korak" who appears to be hunting Tarzan through the jungle?

Tarzan is among the most popular fictional characters in all of literature and his tales have been adapted into dozens of animated and live-action films as well as television and radio series and comic books.

"Tarzan the Terrible" is presented here in its original and unabridged format.