Daniel Harmon Books

Billy the Kid Famous Figures of the American Frontier

By Daniel Harmon

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Davy Crockett Famous Figures of the American Frontier

By Daniel Harmon

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Billy the Kid

By Daniel E. Harmon

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Examines the life and exploits of Billy the Kid, an infamous bandit of the Old West.

Inside Special Forces

By David Kassnoff, Mary Lane Kamberg, Daniel Harmon, Jeri Freedman, Mary Blount Christian

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Super pop!

By Daniel Harmon

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This hilarious and wide-ranging guide sorts nearly 500 different bestsellers, blockbusters, and underappreciated gems into quirky top ten lists, like "Outwit death: essential lessons in survival,"...

Sonia Sotomayor

By Sylvia Mendoza

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Describes the life and accomplishments of the United States Supreme Court justice.

Super pop

By Daniel Harmon

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This hilarious and wide-ranging guide sorts nearly 500 different bestsellers, blockbusters, and underappreciated gems into quirky top ten lists, like "Outwit death: essential lessons in survival,"...

Plotted

By Andrew DeGraff

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"This incredibly wide-ranging collection of maps -- all inspired by literary classics -- offers readers a new way of looking at their favorite fictional worlds. Andrew DeGraff's stunningly detailed...

Trazado

By Andrew DeGraff, Daniel Harmon, Arnoldo Langner

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Rivers in American Life And Times Set Rivers in American Life Times

By Tim McNeese

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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.