Chris McGowan Books

The Dragon Seekers

By Christopher McGowan

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Dinosaure

By Ron Broda, Chris McGowan

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Dinosaur

By C. McGowan

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Presents the behind-the-scenes process that results in a dinosaur display, from digging up the skeleton and identifying the dinosaur to reassembling its bones into a skeleton.

Dinosaur Digging Up a Giant

By Chris And Broda Ron McGowan

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Entertainment in the cyberzone

By Chris McGowan

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In the Beginning

By Christopher McGowan

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Abacus

By Chris McGowan

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Abacus

By Chris McGowan

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Science-loving AP and his older sister Kate find a strange abacus and are whisked off on a time-traveling adventure that lands them in exciting points of British, American and ancient Egyptian hist...

Discover Dinosaurs

By C. McGowan, Christopher McGowan

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Diatoms to dinosaurs

By Christopher McGowan

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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.