Jeff Erno Books

You belong with me

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High school junior Wesley Harris is a stereotypical shy, soft-spoken nerd. He is obsessed with crafts and art and doesn't even need to come out of the closet to become the target of antigay bullyin...

You belong with me

By Jeff Erno

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My Dumb Jock

By Jeff Erno

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Loose Ends

By Jeff Erno

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Dumb Jock

By Jeff Erno

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Dumb Jock

By Jeff Erno

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Puppy Love

By Jeff Erno

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Puppy Love

By Jeff Erno

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Puppy Love 2

By Jeff Erno

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Puppy Love

By Jeff Erno

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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.

Jeff Erno Books

Related Articles from our Blog

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?