Jerusha Hull McCormack Books

Grieving

By Jerusha Hull McCormack

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The man who was Dorian Gray

By Jerusha Hull McCormack

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"Everyone knows The Picture of Dorian Gray, but few know that "Dorian Gray" actually existed. This is his story. In this biography, Jerusha Hull McCormack, noted expert on Oscar Wilde and his circl...

The man who was Dorian Gray

By Jerusha Hull McCormack

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John Gray

By Jerusha Hull McCormack

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Grieving

By Jerusha Hull McCormack

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China and the Irish

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Thinking Through China

By Jerusha Hull McCormack, John G. Blair

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Thinking through China

By Mccormack

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Thinking Through China

By John G. Blair, Jerusha McCormack

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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.