David D. Friedman Books

The Machinery of Freedom: Guide to a Radical Capitalism

By David D. Friedman

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Signs of the zodiac

By Mary Ellen Snodgrass

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"The zodiacal signs impact art, advertising, literature, history, mythology, psychology, health, and language with their evocative imagery, symbols, and scientific and religious lore. This fact-fil...

Price Theory

By David D. Friedman, Friedman, David D

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The author designed this book to develop the reader's understanding of the economic way of thinking by first providing verbal, intuitive explanations of concepts, then illustrating them with graphs...

Price theory: An intermediate text

By David D Friedman

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Price Theory: An Intermediate Text

By David D. Friedman, Friedman, David D

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Price Theory an Intermediate Text Study

By Friedman

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Hidden Order

By David D. Friedman

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Law'S Order: What Economics Has To Do With Law And Why It Matters

By David D. Friedman

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david Friedman, A First-rate Economist With A Good Deal Of Experience In Applying Economics To The Law, Has Written A Lucid, Imaginative, Entertaining, Opinionated, And, On Balance, A Very Fine Int...

Anarchy and the Law

By Edward Stringham

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The misunderstood miracle

By Friedman David

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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.