John Guinther Books

John Guinther's Direction of Cities expounds the nature of cities: how they grow, whom they are intended to serve, which forces harm them and which help them develop their true potential. Written i...

Brotherhood Of Murder

By Thomas Martinez, John Guinther

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The jury in America

By John Guinther

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The American Civil Jury

By Chief Justice Earl Warren Conference On Advocacy In The United States 1986, Marc Galanter, Morris S. Arnold, John Guinther

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Philadelphia

By John Guinther

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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.