Jeffrey Kopstein Books

Comparative Politics Promotional Edition

By Mark Lichbach, Jeffrey Kopstein

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The politics of economic decline in East Germany, 1945-1989

By Jeffrey Kopstein

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Jeffrey Kopstein offers the first comprehensive study of East German economic policy over the course of the state's forty-year history. Analyzing both the making of economic policy at the national...

Growing Apart

By Sven Steinmo, Jeffrey Kopstein

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Comparative Politics

By Mark Lichbach, Jeffrey Kopstein

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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.