Richard C. Porter Books

Economics at the Wheel: The Costs of Cars and Drivers

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Beyond issues of convenience, style, safety, innovation, and mobility, automobiles raise questions about the ways that markets work and do not work. Almost all of our automobile problems arise from...

Economics at the Wheel: The Costs of Cars and Drivers

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Review and workbook

By Richard C. Porter

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Macroecon RG Wkbk

By Porter

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Review guide and workbook for use with Macroeconomiocs

By Richard C. Porter

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Review Guide and Workbook for use with Microeconomics Analysis and Policy

By Richard C. Porter

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The economics of water and waste in three African capitals

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The Economics of Waste RFF Press

By Porter C. Richard

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The Economics of Waste RFF Press

By Porter C. Richard, Richard C Porter

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Economics at the Wheel

By Richard C. Porter

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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.