Robert J. Hogan

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G-8 and His Battle Aces #23: The Headless Staffel

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Scourge of the Steel Mask (G-8 Air-War Thriller, G- …

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The Panther Squadron: G-8 And His Battle Aces #12 ( …

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Case of the suicide tomb

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Fangs of the Sky Leopard

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Flight From the Grave (G-8 and his Battle Aces #6)

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G8 #4: Bombs from the murder wolves

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G-8 And His Battle Aces #10 (G-8 and His Battle Ace …

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G-8 and His Battle Aces #3 Ace of the White Death ( …

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G-8 And His Battle Aces #8