http://book.klll.cc/ebooks/subject/26685.opds 2025-08-05T08:06:22Z Books about Secret service -- United States -- Juvenile fiction (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-05T08:06:22Z https://book.klll.cc/ebooks/subject/26685.opds?sort_order=title Sort Alphabetically by Title 2025-08-05T08:06:22Z https://book.klll.cc/ebooks/subject/26685.opds?sort_order=release_date Sort by Release Date 2025-08-05T08:06:22Z https://book.klll.cc/ebooks/45776.opds The Sky Detectives; Or, How Jack Ralston Got His Man Ambrose Newcomb 2025-08-05T08:06:22Z https://book.klll.cc/ebooks/31426.opds Eagles of the Sky; Or, With Jack Ralston Along the Air Lanes Ambrose Newcomb 2025-08-05T08:06:22Z https://book.klll.cc/ebooks/45973.opds Trackers of the Fog Pack; Or, Jack Ralston Flying Blind Ambrose Newcomb 2025-08-05T08:06:22Z https://book.klll.cc/ebooks/45629.opds The Sky Pilot's Great Chase; Or, Jack Ralston's Dead Stick Landing Ambrose Newcomb 2025-08-05T08:06:22Z https://book.klll.cc/ebooks/45627.opds Wings Over the Rockies; Or, Jack Ralston's New Cloud Chaser Ambrose Newcomb 2025-08-05T08:06:22Z https://book.klll.cc/ebooks/62885.opds The Young Wireless Operator—With the U. S. Secret Service Lewis E. Theiss 2025-08-05T08:06:22Z https://book.klll.cc/ebooks/45680.opds Flying the Coast Skyways; Or, Jack Ralston's Swift Patrol Ambrose Newcomb