{"schema_version":"bf_book_companion_v1","release_id":"20260414T102527Z","book":{"amazon_purchase_url":"https://www.amazon.com/dp/1400078458?tag=bookfrontier-20","asin":"1400078458","authors":["David Grann"],"book_id":"9781400078455","canonical_url":"https://bookfrontier.com/books/9781400078455","cover_image_url":"https://img.bookfrontier.com/9781400078455.jpg?v=20260414T102527Z%3A2026-04-14T10%3A25%3A27Z","description":"#1 NEW YORK TIMES BESTSELLER • From the author of Killers of the Flower Moon and The Wager comes a masterpiece of narrative nonfiction “with all the pace and excitement of a movie thriller”( The New York Times ) that unravels the greatest exploration mystery of the twentieth century—the story of the legendary British explorer who ventured into the Amazon jungle in search of a fabled civilization and never returned. \"[Grann is] one of the preeminent adventure and true-crime writers working today.\"— New York Magazine After stumbling upon a hidden trove of diaries, acclaimed writer David Grann set out to determine what happened to the British explorer Percy Fawcett and his quest for the Lost City of Z. 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