Warren Zimmermann Books

First Great Triumph

By Warren Zimmermann

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The Balkans and American Foreign Policy Editors Choice Series

By Richard K. Betts, Warren Zimmermann, Aleksa Djilas

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First Great Triumph: How Five Americans Made Their Country a World Power

By Warren Zimmermann

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Origins of a Catastrophe:: Yugoslavia and Its Destroyers- -America's Last Ambassador Tells What Happened an d Why

By Warren Zimmermann

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Warren Zimmermann was the last United States ambassador to Yugoslavia. Origins of a Catastrophe is his highly personal, authoritative account of a doomed country's descent into war and genocide. Hi...

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.