On Secret Service | Detective-Mystery Stories Based on Real Cases | Free Audiobook

On Secret Service is a novel written by William Nelson Taft in 1921. This novel contains a series of detective-mystery stories based on real cases solved by government agents.
This is a free version of the full audiobook.
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[@terinn7115]

Thank you for the upload. Some of these are ripping yarns!

[@AncientRylanor69]

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