John Logsdon Books

The Penguin Book of Outer Space Exploration

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The fascinating story of how NASA sent humans to explore outer space, told through a treasure trove of historical documents--publishing in celebration of NASA's 60th anniversary and with a foreword...

Learn to Program 2D Games in Blitz Basic

By Logsdon John

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Starliner

By John Logsdon, Christopher Young

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Bob the Zombie

By John Logsdon, Christopher Young

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Journey Home

By John Logsdon, Christopher Young

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Veli Unveiled

By John Logsdon, Christopher Young

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Nanoagents

By John Logsdon, Ric Lumb, J. Patrick

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Bane s Edge

By John Logsdon, Christopher Young

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Swarm of Fire

By John Logsdon, Christopher Young

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Blood Crossed

By John Logsdon, Christopher Young

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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.