Angela Levin Books

An eye-opening, monumental biography of Prince Harry by a veteran journalist on royal affairs who accompanied the prince on his royal duties for a year and was granted privileged access to his home...

Harry

By Angela Levin

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Harry

By Angela Levin

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Raine and Johnnie

By Angela Levin

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Diana s Babies

By Angela Levin

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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.