Gary Parker Books

Mitosis and Meiosis

By W. Ann Reynolds, Gary Parker

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Building Blocks in Earth Science

By Gary Parker

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Concepts of Biogeography Astronomy Package

By Gary Parker, John Hudson Tiner

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Original Jethro Tull

By Gary R. Parker

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"Jethro Tull was one of the truly innovative rock bands to emerge from the late 1960s. Crafting a signature progressive rock sound that resisted easy categorization, they were often derided by crit...

Lost and Found

By Gary Parker

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Managing Variable Demand for Travel

By Gary Parker

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The Eastern Panther

By Gary Parker

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The Fossil Book Study Guide Wonders of Creation

By Gary Parker

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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.