Richard Headstrom

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Adventures With Insects

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Adventures with Freshwater Animals

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Adventures with a hand lens

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Adventures with a microscope

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Birds' Nests, A Field Guide; An Identification Manu …

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Birds' nests of the West

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Families of Flowering Plants

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Garden friends and foes; a practical and informativ …

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Identifying Animal Tracks: Mammals, Birds and Other …

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Nature Discoveries With a Hand Lens