http://book.klll.cc/ebooks/subject/24066.opds?sort_order=release_date 2025-08-12T10:15:14Z Books about Spies (sorted by release date) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-12T10:15:14Z https://book.klll.cc/ebooks/subject/24066.opds?sort_order=title Sort Alphabetically by Title 2025-08-12T10:15:14Z https://book.klll.cc/ebooks/subject/24066.opds?sort_order=downloads Sort by Popularity 2025-08-12T10:15:14Z https://book.klll.cc/ebooks/61069.opds German Spies in England: An Exposure William Le Queux 2025-08-12T10:15:14Z https://book.klll.cc/ebooks/61040.opds Britain's Deadly Peril: Are We Told the Truth? William Le Queux 2025-08-12T10:15:14Z https://book.klll.cc/ebooks/56345.opds The World's Greatest Military Spies and Secret Service Agents George Barton 2025-08-12T10:15:14Z https://book.klll.cc/ebooks/48823.opds Spies and Secret Service Hamil Grant 2025-08-12T10:15:14Z https://book.klll.cc/ebooks/41457.opds The German Spy System from Within Anonymous