Christopher Turner Books

The guide that brings to life the wealth of Barcelona's history and architecture. Fully describes nearly 200 locations throughout Barcelona, as well as Sitges, Gerona and the Monserrat monastery an...

London Step By Step: The Definitive Guide To Streets And Sights

By Christopher Turner, Turner, Christopher.

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With its debut in 1986, this definitive guide was hailed as a revolutionary new concept--taking visitors step by step through one of Europe's most fascinating and charming cities. Now fully revised...

London Step By Step

By Christopher Turner

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London Step By Step

By Christopher Turner

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Paris Step By Step

By Christopher Turner

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Barcelona Step By Step

By Christopher Turner

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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.