Authors: Julie Campbell
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Trixie Belden and the Red Trailer Mystery — Julie Campbell
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Trixie Belden and the Mystery in Arizona — Julie Campbell
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The Secret of the Mansion: Trixie Belden — Julie Campbell
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The Gatehouse Mystery: Trixie Belden — Julie Campbell
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The Red Trailer Mystery: Trixie Belden — Julie Campbell
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Mystery in Arizona — Julie Campbell
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The Gatehouse Mystery — Julie Campbell
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The Mysterious Visitor — Julie Campbell
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The Secret of the Mansion — Julie Campbell
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The Red Trailer Mystery — Julie Campbell