Ralph Peters Books

Glory turned grim and warfare changed forever. As Grant pinned Lee to Petersburg and Richmond, the Confederacy's stubborn Army of Northern Virginia struggled against a relentless Union behemoth, wi...

The war after armageddon

By Ralph Peters

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Cain at Gettysburg

By Ralph Peters

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Traitor

By Ralph Peters

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Traitor

By Ralph Peters

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Beyond Terror

By Ralph Peters

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Animals At Night

By Ralph Peters

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The Perfect Soldier

By Ralph Peters

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Flames of Heaven UPC

By Ralph Peters

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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.