Rosalynd Pflaum Books

Grand obsession

By Rosalynd Pflaum

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Marie Curie and her daughter Irene

By Rosalynd Pflaum

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Presents the life stories of Marie Curie, dicoverer of radium, polonium, and natural radiation, and her daughter Irene Joliot-Curie, discoverer of artificial radiation.

By influence & desire

By Rosalynd Pflaum

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By Influence and Desire

By Rosalynd Pflaum

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Les trois graces de Courlande

By Rosalynd Pflaum

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Marie Curie et sa fille Irene

By Rosalynd Pflaum

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By Influence and Desire

By Rosalynd Pflaum

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By Influence and Desire

By Rosalynd Pflaum

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By Influence and Desire

By Rosalynd Pflaum

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Talleyrand and his world

By Rosalynd Pflaum

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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.