Peter Bergen Books

History of the Sommerfeld Mennonite Church

By Peter Bergen

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Warrior Diplomat

By Michael G. Waltz, Peter Bergen

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Understanding the New Proxy Wars

By David Sterman, Peter Bergen, Candace Rondeaux, Daniel Rothenberg

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United States of Jihad: Investigating America's Homegrown Terrorists

By Peter Bergen

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From one of America's preeminent national security journalists, an explosive, news-breaking account of Donald Trump's collision with the American national security establishment, and with the world...

United States of Jihad

By Peter Bergen

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A riveting, panoramic look at “homegrown” Islamist terrorism from 9/11 to the present   Since 9/11, more than three hundred Americans—born and raised in Minnesota, Alabama, N...

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.