Tarzan and the Jewels of Opar by Edgar Rice Burroughs [Tarzan #5]

This Halcyon Classics ebook is the fifth in Edgar Rice Burroughs' 'Tarzan' series, TARZAN AND THE JEWELS OF OPAR.

An amnesic Tarzan finds the treasure vaults of the lost city of Opar at the same time a mysterious treasure hunter and a band of thieves also learn of the hidden wealth. When Tarzan's plunder falls into the hunter's hands, a game of deadly double-cross begins--and the winner claims the treasure!