Erik Jon Slangerup Books

Dirt Boy

By Erik Jon Slangerup

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Noah s Ark

By Erik Jon Slangerup, Janet Allison Brown

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Dirt Boy

By Erik Jon Slangerup

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Monsterlicious

By Erik Jon Slangerup

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When Bingle Bangdoodle is left in charge of the 4-star Bangdoodle Restaurant during his father's absence, he attracts a whole new clientele with his unusual creations.

Noah s Ark

By School Specialty Publishing

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Dirt Boy

By Eric Jon Slangerup, John Manders

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Dirt Boy

By Eric Jon Slangerup, John Manders

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Molly and the Machine

By Erik Jon Slangerup

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Molly and the Machine

By Erik Jon Slangerup

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Molly and the Machine

By Erik Jon Slangerup

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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.