John McNally Books

The Forbidden City

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Infinity Drake - Finn for short - is STILL only 9mm tall. But before his crazy scientist uncle can figure out a way to return him to his normal size, a new threat emerges on the other side of the w...

The Student Body

By John McNally

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Financial Accounting Guide for Not for Profit

By John McNally

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Informix unleashed

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High Infidelity

By McNally John, John Mcnally

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From Sara Powers's "The Wild," in which a grizzly bear unknowingly settles the score for a wronged wife, to T. Coraghessan Boyles "Ike and Nina," which brings to life an illicit affair between Nina...

A Gift From Crick A Black Horse Western

By John McNally

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Justice Was A Man Black Horse Western

By John McNally

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The book of Ralph

By McNally John

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America s Report Card

By McNally John, John McNally

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The Book of Ralph

By John McNally

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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.