Christopher Herwig Books

Soviet bus stops

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Photographer Christopher Herwig has covered more than 30,000km by car, bike, bus and taxi in 13 former Soviet countries discovering and documenting these unexpected treasures of modern art. From th...

Soviet bus stops

By Christopher Herwig

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Soviet Metro Stations

By Christopher Herwig, Stephen Sorrell, Owen Hatherley

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Gesellschafterdarlehensrecht Im Unternehmensverbund

By Christopher Herwig

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Quality by Design Handbook

By Christopher Herwig, Jose C. Menezes

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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.