Paul E. Cohen Books

Revolution: Mapping The Road To American Independence, 1755-1783

By Paul E. Cohen, Richard H. Brown (Map Collector), Richard H Brown

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The spectacular legacy and importance of early American cartographers. Historians of the Revolutionary War in America have been fortunate in their resources: few wars in history have such a rich li...

Mapping The West; America'S Westward Movement 1524-1890

By Paul E. Cohen, Paul Cohen, Introduction By David Rumsey

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This Collection Chronicles The Cartographic History Of The Western United States From 1524 To 1890. The Book Begins With A Look At The European Powers' (spain, France, England) Efforts To Comprehen...

Manhattan in Maps

By Robert T. Augustyn, Paul Cohen, Paul E. Cohen

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American Cities: Historic Maps And Views

By Paul Cohen, Paul E. Cohen, Henry Taliaferro

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New York -- New Orelans -- Washinton --boston-- San Francisco -- Denver -- St. Louis -- Philadelphia -- Chicago. Edited By Paul E. Cohen And Henry G. Taliaferro.

Manhattan in Maps 1527 1995

By Robert T. Augustyn, Paul E. Cohen

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Manhattan in Maps 1527 2014

By Robert T. Augustyn, Eric W. Sanderson, Paul E. Cohen

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Manhattan in Maps 1527 2014

By Robert T. Augustyn, Paul E. Cohen

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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.