Erin Callahan Books

Beautifully Bipolar
Beautifully Bipolar

By Erin Callinan

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The art of escaping
The art of escaping

By Erin Callahan

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When Mattie, seventeen, seeks out the reclusive Miyu, daughter of a famed escapologist, to indulge her secret desire to learn the craft, it leads to a friendship with classmate Will, who bears a hu...

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Emerging Hispanicized English in the Nuevo New South
Tunnelville
Tunnelville

By Erin Callahan, Troy H. Gardner

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Emerging Hispanicized English in the Nuevo New South
Emerging Hispanicized English in the Nuevo New South
Emerging Hispanicized English in the Nuevo New South
Service Line Solution
Service Line Solution

By Erin Callahan

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Nursing Professional Development Competencies
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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.

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