A Stranger World (6 titles)
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In Search of the Unexplained (10 titles)
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Global Ghost Stories (6 titles)
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Haunted History Set Two (6 titles)
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Paranormal Mysteries (6 titles)
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Investigating the Unexplained (10 titles)
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Ghost Stories (8 titles)
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Unexplained Mysteries (13 titles)
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The Unexplained (16 titles)
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