James A. Estes Books

Whales Whaling and Ocean Ecosystems

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Serendipity

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"To newly minted biologist James Estes, the sea otters he was studying in the leafy kelp forests off the coast of Alaska appeared to have an unbalanced relationship with their larger environment. G...

Serendipity

By James A. Estes, Harry W. Greene

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Whales Whaling and Ocean Ecosystems

By Daniel F. Doak, James A. Estes, Terrie M. Williams, Robert L. Brownell, Douglas P. DeMaster

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Serendipity

By James A. Estes

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Whales Whaling and Ocean Ecosystems

By Daniel F. Doak, James A. Estes, Terrie M. Williams, Douglas P. Demaster, Brownell Robert L. Jr.

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Trophic Cascades

By John Terborgh, James A. Estes

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The Community Ecology of Sea Otters Ecological Studies

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Community Ecology of Sea Otters

By Glenn R. VanBlaricom, James A. Estes

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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.