Jordan David M. Books

Winfield Scott Hancock: A Soldier's Life

By Jordan David M.

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Closing em down

By Jordan David M.

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"For fans of Major League Baseball the actual ballparks are often the seat of affection and team loyalty. Players come and go, but the parks remain for decades. This work recounts the histories of...

Roscoe Conkling of New York: voice in the Senate

By Jordan David M.

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A Tiger in His Time

By Jordan David M., David Jordan Undifferentiated

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FDR, Dewey, and the election of 1944

By Jordan David M.

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FDR Dewey and the election of 1944

By Jordan David M.

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Happiness Is Not My Companion : The Life of General G. K. Warren

By Jordan David M., David M. Jordan

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"Gouverneur K. Warren, a brilliant student at West Point and a topographical engineer, earned early acclaim for his explorations of the Nebraska Territory and the Black Hills in the 1850s. With the...

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.