John Langdon Books

Wordplay

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Take a second look at the cover of this book—this time, turn it upside down. The title, Wordplay, is an ambigram, which means you will be able to read it both right side up and upside down.Y...

Revel for Connections

By John Langdon, Edward Judge

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MyLab History with Pearson EText Instant Access for Connections

By John Langdon, Edward Judge

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Blackboard Test Item File for Connections

By John Langdon, Edward Judge

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Connections

By John Langdon, Edward Judge

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Connections

By John Langdon, Edward Judge

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Revel for Connections

By John Langdon, Edward Judge

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NEW Mylab History with Pearson EText Instant Access for Connections

By John Langdon, Edward Judge

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NEW Mylab History Without Pearson EText Instant Access for Connections

By John Langdon, Edward Judge

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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.