Patrick Cunningham Books

This book offers a introduction to Brazil through the letters of a young child addressed to his pen-friend, describing the child's home life, a typical school day, lesuire time pursuits, home life...

Mexico

By Patrick Cunningham

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How to Dazzle at Romeo and Juliet How to Dazzle At.

By Patrick Cunningham

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Versus Books Official Neverwinter Nights Adventure Perfect Guide

By Casey Loe, Christopher Eastwood, Patrick Cunningham

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River of Lions

By Patrick Cunningham

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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.