David Waddell Books

Angielski

By Carmen Vallejo, Richard Brown, David Waddell, Conor McAlinden

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Characters of the Bible

By David Waddell

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As we study the Bible, we may believe we are far removed from the people described on those pages. After all, many played significant roles in helping Jesus spread the gospel. Most of us find it di...

True Love Journey

By David Waddell

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Seventeen

By David Waddell

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Guardian Angel

By David Waddell

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Pentagram Crucified

By David Waddell

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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.