Daniel E. Harmon Books

Southeast Africa

By Daniel E. Harmon, Chelsea House Publishing Staff

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West Africa: 1880 To The Present : A Cultural Patchwork

By Daniel E. Harmon

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a History Of West Africa, From The Explorations Of Eighteenth-century Europeans To The Present Day.school Library Journalgr 8 Up-these Books Do Readers A Monumental Disservice. Each One Begins With...

Lasalle And The Exploration Of The Mississippi

By Daniel E. Harmon

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Jacques Cartier And The Exploration Of Canada

By Wally Lamb, Daniel E. Harmon, Women Of York Correctional Institution

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63 pages : 25 cm Describes the life and travels of Jacques Cartier, the sixteenth-century French navigator who made three voyages to what is today known as Canada, in search of a northwest passage...

The U.S. Armed Forces

By Daniel E. Harmon

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From the start, Americans have regarded their government with a mixture of reliance and mistrust. The founders of the republic understood the importance of government. "If men were angels," observe...

The Attorney General'S Office

By Daniel E. Harmon

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LA Salle And The Exploration Of The Mississippi

By Daniel E. Harmon

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Jacques Cartier And The Exploration Of Canada

By Wally Lamb, Daniel E. Harmon, Women Of York Correctional Institution

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63 pages : 25 cm Describes the life and travels of Jacques Cartier, the sixteenth-century French navigator who made three voyages to what is today known as Canada, in search of a northwest passage...

John Burgoyne: British General

By Arthur Meier Schlesinger, Daniel E. Harmon

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Lord Cornwallis: British General

By Daniel E. Harmon

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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.