Michael L. Krenn Books

The chains of interdependence

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"Historical analysis of theories of interdependence in US policy since World War II. Examines their application toward Central America from 1950s-80s"--Handbook of Latin American Studies, v. 57.

The Color of Empire

By Michael L. Krenn

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Black Diplomacy

By Michael L. Krenn

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Fall Out Shelters for the Human Spirit

By Michael L. Krenn

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The Color of Empire

By Michael L. Krenn

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Black diplomacy

By Michael L. Krenn

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The African American Voice in U.S. Foreign Policy Since World War II

By Michael L. Krenn

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U.S. policy toward economic nationalism in Latin America, 1917-1929

By Michael L. Krenn

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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.