Pierre Dukan Books

Advanced Interviewing Techniques

By John R. Schafer, Pierre Dukan

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The Dukan Diet Made Easy

By Pierre Dukan

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Living on Dukan Has Never Been Easier! Millions of people around the world have used the Dukan Diet’s unique 4-step plan to lose unwanted pounds. Now, keeping them off for life is simple and deli...

The Dictionary of Body Language

By Pierre Dukan

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The Code of Trust

By Robin Dreeke, Cameron Stauth, Pierre Dukan

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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.