Lost On Venus is a science fantasy novel by American writer Edgar Rice Burroughs, the second book in the Venus series (sometimes called the "Carson Napier of Venus series" or the "Amtor series"). It was first serialized in the magazine Argosy in 1933 and published in book form two years later.
The copyright for this story has expired in Australia, Canada and the United States, and thus now resides in the public domain in those countries. The text is available via Project Gutenberg Australia and Faded Page.
Lost On Venus public domain audiobook at LibriVox