David H. DeVorkin Books

Science With A Vengeance

By David H. DeVorkin

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Race to the Stratosphere: Manned Scientific Ballooning in America

By David H. DeVorkin

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Science With A Vengeance: How the Military Created the US Space Sciences After World War II

By David H. DeVorkin

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Henry Norris Russell

By David H. DeVorkin

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"This book-length biography of the "Dean of American Astronomers" interweaves personal and scientific history to illuminate how Russell's privileged Presbyterian family background, his education at...

Beyond Earth

By National Geographic Society

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The Hubble Revolution

By David H. DeVorkin

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The Hubble space telescope

By David H. DeVorkin

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The history of modern astronomy and astrophysics

By David H. DeVorkin

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Practical astronomy

By David H. DeVorkin

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Hubble Cosmos, The

By David H. Devorkin

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Celebrating NASA’s Hubble Space Telescope’s remarkable 25 years, this book is filled with brilliant imagery and offers a new understanding of the universe. Relive key moments in the mon...

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.