David O. Stewart Books

Representing small businesses

By David O. Stewart

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The Summer of 1787

By David O. Stewart

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The Summer of 1787

By David O. Stewart

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The successful creation of the Consititution is a suspense story. The Summery of 1787 takes us into the sweltering room in which delegates struggled for four months to produce the flawed but endur...

The Lincoln deception

By David O. Stewart

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"In March 1900, as former Congressman John Bingham of Ohio lies dying, he begins to tell a strange tale to his physician, Dr. Jamie Fraser. Bingham famously prosecuted eight members of John Wilkes...

Impeached

By David O. Stewart

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This account of the attempt to remove Andrew Johnson from the presidency demolishes the myth that Johnson's impeachment was unjustified.

American emperor

By David O. Stewart

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Traces the career of the third U.S. vice president and would-be secession leader, discussing his acrimonious relationship with Thomas Jefferson; his ambitious vision of expansion; and his historica...

Madison s gift

By David O. Stewart

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"Historian David O. Stewart restores James Madison, sometimes overshadowed by his fellow Founders, to his proper place as the most significant framer of the new nation. Short, plain, balding, neith...

Lincoln Deception The

By David O. Stewart, L.J. Ganser

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The Babe Ruth deception

By David O. Stewart

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The Lincoln Deception

By William Martin, David O Stewart

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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.