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Sci-Fi Anthology: Lost Worlds & Alternative Universes

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The Citadel of Fear: A Lost World Mystery

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Claimed: Sci-Fi Classic

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The Greatest of Dystopian Classics of All Time

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The Future of Darkness: 30+ Dystopias in One Edition

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THE HOLLOW EARTH: Sci-Fi Boxed Set - 24 Tales of Lost Worlds & Alternative Universes: King Solomon's Mines, The Lost Continent, New Atlantis, The Lost World, Journey to the Center of the Earth, The Mysterious Island, The Moon Pool, She, Pellucidar, The Monster Men, Adjustment Team…

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The Heads of Cerberus: The First Sci-Fi to use the Idea of Parallel Worlds and Alternate Time

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Claimed: Sci-Fi Classic

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Claimed!

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The Greatest Tales of Lost Worlds & Alternative Universes: King Solomon's Mines, The Lost Continent, New Atlantis, The Lost World, She, The Mysterious Island…

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The Citadel of Fear (Sci-Fi Classic)

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Citadel Of Fear: Booktrack Edition

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The Complete Gertrude Barrows Bennett aka Francis Stevens: Including Nightmare, The Citadel Of Fear, The Heads Of Cerberus, Claimed, Serapion and Sunfire

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Sunfire!: Collected pulp magazine tales from the original mistress of fantasy

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The Citadel of Fear

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The Illustrated Original Masters of Modern Dark Fantasy

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Serapion: A tale of Demonic Possession from the Victorian Era

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Nightmare!: The First Ever Dark Fantasy Novel

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Le teste del Cerbero

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Claimed!: The Tale of Undersea Gods That Inspired Cthulu

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The Heads of Cerberus: The Book that Created Dystopian Sci Fi

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Citadel of Fear