Jeffrey Glassberg

Butterflies Through Binoculars (1999)

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A guide emphasizing conservation over collection features field marks for butterfly identification, …

A Swift Guide to Butterflies of North America (2017)

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A thoroughly revised edition of the most comprehensive and authoritative photographic field guide to…

Butterflies through Binoculars (2000)

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Butterfly enthusiasts, nature lovers, and curious general readers will perhaps be surprised to learn…

Butterflies Through Binoculars (1993)

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For decades, bird watchers have delighted in the freedom and joy of nature armed only with binocular…