Howard Gillette Books

The Divided Metropolis

By William W. Cutler, Howard Gillette

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Between justice and beauty

By Howard Gillette

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As the only American city under direct congressional control, Washington has served historically as a testing ground for federal policy initiatives and social experiments - with decidedly mixed res...

Camden after the fall

By Howard Gillette

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New Jersey

By Michael J. Birkner, Richard F. Veit, Maxine N. Lurie, Howard Gillette

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Civitas by design

By Howard Gillette

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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.