Peter Ekstrom Books

The Gift of the Magi French s musical library

By O. Henry, Peter Ekstrom

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The Last Leaf French s musical library

By O. Henry, Peter Ekstrom

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Att placera sig sjalv i historen

By Peter Ekstrom

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År 2018 fyller Karl Marx 200 år och det är 50 år sedan Parisrevolten 1968. Men marxismen är inte bara ett minne, marxismen är aktuell.0Konsten har länge varit ett hett diskussionsämne för marxister...

Gift of the Magi

By Peter Ekstrom

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O. Henry Christmas Musical

By Peter Ekstrom

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Pride and Prejudice

By Peter Ekstrom, Jon Jory

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Doctor! Doctor!

By Peter Ekstrom

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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.