David Elliot Cohen Books

Day in the Life of America

By David Elliot Cohen

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Organizing the world's money

By Benjamin J. Cohen

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ONE YEAR OFF

By David Elliot Cohen

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Dogs 24 7

By David Elliot Cohen, Rick Smolan

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Historic moments from Mandela's inspiring life are captured in more than one hundred iconic photos from the mid-1940s through August 2009. Six key Mandela speeches are included, as well as an infor...

Ronald Reagan

By Peter Robinson

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A special assistant to Ronald Reagan provides an illustrated commemoration of the fortieth president's life, along with six annotated landmark speeches.

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.