Clark Dougan Books

A Nation Divided

By Robert Manning

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The American experience in Vietnam

By Clark Dougan

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"Examines the course of social reformation in America, from the end of the second World War to the Vietnam War." Includes picture essay on Woodstock, as well as material on the civil rights movemen...

The fall of the South

By Clark Dougan

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A War remembered

By Stephen Weiss

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A War Remembered

By Stephen Weiss, David Fulgham, Clark Dougan

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TET: The Crucial Year of 1968

By Clark Dougan

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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.