Ernie Colón Books

Look and find Alice in Wonderland

By Ernie Colon

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By Sidney Jacobson

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The 9 11 report

By Sidney Jacobson, Sid Jacobson

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The 9 11 Report

By Ernie Colon, Sid Jacobson

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After 9 11

By Sidney Jacobson

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Ax

By Ernie ColoI N

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Strip Search

By Ernie Colón, Ernie Colon

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Mainstream Comics Veteran Ernie Colon Gets Down And Dirty In This Book. A Hardboiled Sex Thriller About A Private Detective Hired By A Wealthy Eccentric To Find His Missing Wife. What Follows Is A...

Battlestar Galactica

By Roger McKenzie

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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.