Robert Michael Pyle Books

National Audubon Society Field Guide To Butterflies

By National Audubon Society, Robert Michael Pyle, Visual Key By Carol Nehring And Jane Opper

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Describes The Habitat, Behavior, Range, And Developmental Stages Of Native Butterflies, Native Skippers, And Migrating Tropical Butterflies. Thumb Tab Guide -- Eggs, Caterpillars, And Chrysalises -...

Butterflies Peterson Field Guide Coloring Books

By Roger Tory Peterson Institute, Robert Michael Pyle

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Where Bigfoot Walks: Crossing the Dark Divide

By Robert Michael Pyle

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Wintergreen

By Robert Michael Pyle

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Wintergreen is a tale of survival. In the Willapa Hills of southwest Washington, both the human community and the forest community are threatened with extinction. Virtually every acre of the hills...

The thunder tree

By Robert Michael Pyle

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Handbook for Butterfly Watchers

By Robert Michael Pyle

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Insects

By Robert Michael Pyle

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Chasing Monarchs: Migrating With the Butterflies of Passage

By Robert Michael Pyle

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"The monarch butterfly is our best-known and best-loved insect, and its annual migration over thousands of miles is an extraordinary natural phenomenon, though one that is poorly understood. Myths...

Sky Time in Gray s River

By Robert Michael Pyle

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Where Bigfoot Walks

By Robert Michael Pyle

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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.

What is an EAN and How Does it Relate to an ISBN?

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.