Christopher D. Winnan Books

Frommer s China Frommer s Complete

By Sharon Owyang, Christopher D. Winnan, Beth Reiber, Paul Mooney, Graeme Smith, Jen Lin Liu, Dinny McMahon

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Frommer s China

By Simon Foster

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This edition of travel guide to China contains more full-color guides than ever before. Also contains outspoken opinions, walking tours, trip planning ideas and more!

88 ways to instantly improve your English

By Christopher D. Winnan

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Around the World in Eighty Documentaries

By Christopher Winnan

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3D Printing

By Christopher Winnan

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Adventures in 3D Printing

By Christopher Winnan

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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.