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- EbookSeries: Gertrude, Gumshoe Cozy Mystery SeriesR.E. Merrill
- EbookGertrude, GumshoeR.E. Merrill
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- EbookGertrude, Gumshoe Box SetR.E. Merrill
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- EbookSeries: Wing and a Prayer MysteriesR.E. Merrill
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- EbookGertrude, GumshoeR.E. Merrill
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- EbookThe Prima DonnaR.E. Merrill
- EbookThe Pinch RunnerR.E. Merrill
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- EbookSeries: Gertrude in South DakotaR.E. Merrill
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