Justin Martin Books

Rebel Souls

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"In the shadow of the Civil War, a circle of radicals in a rowdy saloon changed American society and helped set Walt Whitman on the path to poetic immortality. Rebel Souls is the first book ever wr...

A Fierce Glory

By Justin Martin

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150 Totally Terrific Writing Prompts Grades 2 4

By Justin Martin

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Easy Reader Biographies Alexander Graham Bell

By Justin Martin

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Read Aloud Mini Plays With Leveled Parts

By Justin Martin

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Easy Reader Biographies George Washington

By Justin Martin

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Greenspan

By Justin Martin

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"Based on access to Greenspan's family members and to such peers as Henry Kissinger, Gerald Ford, and Milton Friedman, Greenspan: The Man Behind Money breaks new ground. It spans his hardscrabble c...

Greenspan

By Justin Martin

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Nader

By Justin Martin

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Greenspan

By Justin Martin

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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.