John K. Terres Books

Songbirds in Your Garden
Songbirds in Your Garden

By John K. Terres

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How Birds Fly: Under the Water and through the Air
Encyc North Amer Birds
Encyc North Amer Birds

By John K. Terres

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Audubon Society Encyclopedia of North American Birds
Audubon Society Encyclopedia of North American Birds

By John K. Terres

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Nearly 6000 alphabetical entries and cross-references provide information on the life histories of 847 birds.

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The Audubon Society Encyclopedia of North American Birds
How birds fly
How birds fly

By John K. Terres

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The walking adventures of a naturalist
How birds fly
How birds fly

By John K. Terres

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From Laurel Hill to Siler's Bog
From Laurel Hill to Siler's Bog

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If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

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If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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