Alexandre Sheldon-Duplaix Books

Decouverte Gallimard Les sous marins

By DAVID CAMUS ALEXANDRE SHELDON DUPLAIX

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Hide And Seek: The Untold Story Of Cold War Naval Espionage

By Peter A. Huchthausen, Alexandre Sheldon-Duplaix

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Much previously unpublished information, sensational revelations, and reassessments that will undoubtedly be of the greatest interest to both specialists in naval warfare and intelligence and to th...

Hide And Seek: The Untold Story Of Cold War Naval Espionage

By Peter A. Huchthausen, Alexandre Sheldon-Duplaix

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Histoire des sous marins des origines a nos jours

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Apuntes de historia maritima y naval iberoamericana

By Gonzalo Serrano Del Pozo, Sebastian I. Donoso, Alexandre Sheldon Duplaix, Lawrence L. Clayton, Eder Antonio De Jesus Gallegos Ruiz, Jorge Ortiz Sotelo, Jose Gregorio Maita Ruiz, Fernando Wilson

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Histoire des sous-marins

By Jean Marie Mathey

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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.