Balata (The Argosy Library)

Trees of living gold in the Amazon jungles, guarded by alligators, poisoned darts and rival hunters--such was the lodestone that drew an American expedition, and the unwilling Pete Holcomb....
Never before reprinted, it's one of the best high adventure stories Argosy fan-favorite Fred MacIsaac wrote for the magazine. Volume #7 of The Argosy Library.