John H. Sununu Books

The Quiet Man: The Indispensable Presidency of George H.W. Bush

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George H. W. Bush is much too modest to brag about what he accomplished as the 41st President of the United States. As a result, the conventional wisdom about his presidency misses many of his grea...

Quiet Man, The

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The Quiet Man

By John H. Sununu

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The Quiet Man: The Indispensable Presidency of George H.W. Bush

By John H. Sununu

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Restoring the Balance

By James J. Blanchard, Michael N. Castle, John H. Sununu

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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.