Here's another great book that touches on this subject: https://www.amazon.com/Lost-City-Deadly-Obsession-Amazon/dp/1400078458/ref=sr_1_9?s=books&ie=UTF8&qid=15

Here's another great book that touches on this subject: https://www.amazon.com/Lost-City-Deadly-Obsession-Amazon/dp/1400078458/ref=sr_1_9?s=books&ie=UTF8&qid=1522360153&sr=1-9&keywords=amazon+explorer https://www.amazon.com/Lost-City-Deadly-Obsession-Amazon/dp/... The main story about explorer Percy Fawcett is also incredible