
England teeters on the brink of a hidden war, its shores quietly surveyed by a sprawling network of German agents masquerading as merchants, clerks, and craftsmen. Over five thousand “fixed‑post” spies gather minutiae—horse‑drawn wagons, telegraph lines, supply depots—information that could turn a sudden invasion into a swift triumph. The author, rattled by the very real danger, weaves these facts into a gripping tale of covert menace that feels as urgent as a whisper in a crowded street.
Driven by patriotism, a determined investigator prowls the countryside, tracing the shadowy chain that links local informants to a central mastermind in London. He uncovers the meticulous routines of traveling handlers, the coded payments, and the relentless flow of reports to Berlin. As the puzzle pieces fall into place, the story asks whether Britain’s silence will invite disaster—or if a daring counter‑espionage effort might yet turn the tide.
Language
en
Duration
~8 hours (462K characters)
Publisher of text edition
Project Gutenberg
Credits
Produced by Moti Ben-Ari and the Online Distributed Proofreading Team at http://www.pgdp.net
Release date
2010-07-31
Rights
Public domain in the USA.

1864–1927
A hugely popular early master of spy fiction, he turned fears of invasion and international intrigue into fast-moving stories that gripped readers before the First World War. His books helped shape the mood of his age, mixing journalism, suspense, and a flair for dramatic danger.
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