David T. Ellwood Books

Poor Support

By David T. Ellwood

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Working Nation

By David T. Ellwood

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A Working Nation

By David T. Ellwood

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Divide and conquer

By David T. Ellwood

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Acting in time on energy policy

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"Details the often incomplete, incoherent, and ineffectual U.S. energy policy, tackling specific policy questions: Why are these components of energy policy so important? How would 'acting in time'...

Acting in Time on Energy Policy

By David T. Ellwood, Kelly Sims Gallagher

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Working Nation

By David T. Ellwood, Douglas Kruse, Joseph Blasi, William A. Niskanen, Rebecca M. Blank

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Poor support

By David T. Ellwood

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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.