Craig Glenday Books

Vampire Watcher's Handbook: A Guide for Slayers

By Craig Glenday

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Guinness World Records 2013

By Craig Glenday

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Guinness world records 2011

By Craig Glenday

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Contains thousands of records that span every field of human and non-human endeavors, including science and technology, animals, sports, geography, arts and entertainment, education, hobbies and pa...

Guinness World Records 2007 Guinness World Records

By Craig Glenday

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Guinness World Records 2008 Guinness World Records

By Craig Glenday

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Guinness World Records 2010

By Various

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Guinness World Records 2012 Turtleback School Library Binding Edition Guinness World Records Pb

By Craig Glenday

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X men

By Bob Harras

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The UFO investigator's handbook

By Craig Glenday

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Guinness world records 2007

By Craig Glenday

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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.