Douglas Palmer Books

Seven Million Years

By Douglas Palmer

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Fossils

By DK Publishing, Douglas Palmer

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Smithsonian Rock and Fossil Hunter Dk Nature Activities

By DK Publishing

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Prehistoric life

By Douglas Palmer

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With an extensive catalog at its heart, "Prehistoric Life" profiles hundreds of fascinating species in incredible detail; features breathtaking, state-of-the-art images; explores the concept of g...

The Illustrated Encyclopedia of the Prehistoric World

By Douglas Palmer

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Fossils

By Douglas Palmer

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Introduces the world of fossils including information on where they are found, how they are formed, and how they are classified; also describes many of the various kinds.

Earth

By DK Publishing

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Earth In 100 Groundbreaking Discoveries

By Douglas Palmer

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Earth

By Douglas Palmer

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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.