Paul Jannereth Books

The misadventures of Arnold the armadillo

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When a lonely little armadillo stumbles into Ellen and Andy's back yard, he begins a series of adventures which parallel those found in great works of literature. Because armadillos don't see well,...

Dear Students

By Paul Jannereth

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Crosshairs

By Paul Jannereth, Cassidy Fitzpatrick

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Sapphire

By Sarah Simmons, Paul Jannereth, Cassidy Fitzpatrick

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Misadventures of Arnold the Armadillo

By Paul Jannereth

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Ownership Learning

By Paul Jannereth

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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.