
High over the tangled canopy of the Brazilian jungle, the roar of twin‑engine transports cuts through the humid air. When one of the planes sputters, its companion—a daring WAFS pilot named Mary Mason—refuses to abandon the stricken aircraft, even as a nervous co‑pilot, Janet, frets about a hidden “secret” that could change everything. Below, river‑bound natives watch the metal birds with a mixture of awe and dread, sensing that something is terribly wrong.
The crew’s desperate attempt to reach a remote clearing on the Rio Branco becomes a tense cat‑and‑mouse game with an unseen enemy. As the sick plane limps toward the jungle floor, Mary’s steady hands and quick thinking are tested against both mechanical failure and the looming threat of capture. Listeners are drawn into the claustrophobic suspense of wartime aviation, where every decision could mean life or death amid the unforgiving rainforest.
Language
en
Duration
~4 hours (243K characters)
Publisher of text edition
Project Gutenberg
Credits
Produced by Stephen Hutcheson, Rick Morris, Rod Crawford, Dave Morgan and the Online Distributed Proofreading Team at http://www.pgdp.net
Release date
2014-12-27
Rights
Public domain in the USA.

1878–1959
Best known for fast-moving mysteries and adventures for younger readers, this prolific American writer turned out dozens of stories filled with treasure hunts, danger, and resourceful young heroes. His books helped shape early 20th-century juvenile series fiction and are still enjoyed today through many public-domain editions.
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