1-10 (1,107)
 | 1. The Mystery at Lilac Inn
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 | 2. Nancy s Mysterious Letter
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 | 3. The Clue of the Velvet Mask
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 | 4. The Secret of the Forgotten City
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 | 5. The Clue in the Crumbling Wall
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 | 6. The Secret in the Old Attic
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 | 7. The Clue of the Broken Locket
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 | 8. The Invisible Intruder
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 | 9. The Clue of the Leaning Chimney
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 | 10. The Sign of the Twisted Candles
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