David O. Stewart Books

The Paris Deception

By Mary K Tod, David O Stewart

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George Washington

By David O. Stewart

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George Washington

By David O. Stewart

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A fascinating and illuminating account of how George Washington became the dominant force in the creation of the United States of America, from award-winning author David O. Stewart“An outstanding...

Lincoln Deception

By David O. Stewart

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The Wilson deception

By David O. Stewart

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After four years of horror The Great War has ended, and President Woodrow Wilson's arrival in Paris in December 1918 unites the city in ecstatic celebration. Major Jamie Fraser, an army physician w...

Lincoln Deception

By David O. Stewart, Cate Noble

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Summer Of 1787

By David O. Stewart

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Impeached The Trial of President Andrew Johnson and the Fight for Lincoln s Legacy

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American Emperor

By David O. Stewart

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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...

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.