John Mollenkopf Books

Place Matters

By Peter Dreier, John Mollenkopf, Todd Swanstrom

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"Thoroughly revised and updated for its third edition, Place Matters examines the major trends and problems shaping our cities and suburbs, explores a range of policy solutions to address them, and...

Contentious City

By John H. Mollenkopf

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Rethinking the Urban Agenda

By John Mollenkopf, Eds. Ken Emerson

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E Pluribus Unum

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E Pluribus Unum

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Analyzing Crime Patterns

By Philip G. McGuire, Timothy Ross, John Mollenkopf, Victor Goldsmith

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Fragile Giants

By Joh Mollenkopf

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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.