James Pfiffner Books

The Presidency and the Persian Gulf War

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The modern presidency

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The Modern Presidency explores the issues surrounding the expanded size, role, and impact of the presidential staff over the last half of this century. Brief and well crafted, the new edition inclu...

Intelligence and National Security Policymaking on Iraq

By Mark Phythian, James Pfiffner

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The Modern Presidency

By James Pfiffner

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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.