All items (68)
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- The Case of the Visiting Sultan (Action Comics)
- The Case of the Black Sheep (Action Comics)
- The Unregistered Operator (Action Comics)
- The Murdered Apprentice (Action Comics)
- The Wounded Agent (Action Comics)
- The Case of the Stolen Aircraft (Action Comics)
- The Renegade (Action Comics)
- The Case of the Secret Aerofoil (Action Comics)
- Skyway Robbery (Action Comics)
- The Unknown Aircraft (Action Comics)
- All in a Day's Work (Action Comics)
- The Mysterious Gunshots (Action Comics)
- African Assignment (Action Comics)
- Biggles Baits the Trap (Action Comics)
- Biggles Solves a Burglary (Action Comics)
- The Gunnery Range Murders (Action Comics)
- The Case of the Black Gauntlet (Action Comics)
- The Case of the Remarkable Perfume (Action Comics)
- The Case of the White Lion (Action Comics)
- The Too Successful Company (Action Comics)
- The Secret Inquisitors (Action Comics)
- The Mandarin's Treasure (Action Comics)
- The Desert Thefts (Action Comics)
- The Smugglers (Action Comics)
- The Missing Diplomat (Action Comics)
- The Gun Runners (Action Comics)
- Submarine Hide-out (Action Comics)
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- The Deadly Gas Threat (Action Comics)
- Threat to Gibraltar (Action Comics)
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- Himalayan Espionage (Action Comics)
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- The Kidnapped Scientist (Action Comics)
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- The Missing Prince (Action Comics)
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- Biggles in Japan (Action Comics)
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- The Roof of the World (Action Comics)
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- The Airway Pirates (Action Comics)
- The Human Satellite (Action Comics)
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- Invaders from Space (Action Comics)
- Flight from Doom (Action Comics)
- South American Adventure (Action Comics)
- The Guided Missiles (Action Comics)
- Special Assignment (Action Comics)
- Mystery Island (Action Comics)
- The Missing Artist (Action Comics)
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- Saucer Trouble (Action Comics)
- Super Jet (Action Comics)