Tarzan and the Jewels of Opar is number five in the Tarzan series. In this standalone novel, Tarzan, Lord Greystoke, finds himself financially embarassed. He decides to return to the treasure city of Opar to replenish his wealth. Toss in a renegade Belgian army officer, a money-mad kidnapping Arab fiend, some apes, and Tarzan's faithful Waziri - and a severe blow to Tarzan's head causing amnesia. You have the elements for a "Jewels, jewels - who's got the jewels?" kind of plot full of reverses and surprises. Pretty pebbles or precious jewels? Burroughs will keep you guessing!