Karel Bartosek Books

The Black Book of Communism

By Stephane Courtois, Nicolas Werth, Jean Louis Margolin, Jean Louis Panne, Karel Bartosek, Andrzej Paczkowski

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""Revolutions, like trees, must be judged by their fruit," Ignazio Silone wrote, and this is the standard the authors apply to the Communist experience - in the China of "the Great Helmsman," Kim I...

El libro negro del comunismo

By Jean Louis Margolin, Nicolas Werth, Stephane Courtois, Jean Loius Panne, Andrzej Paczkowski, Karel Bartosek

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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.