Gerald L. Posner Books

Mengele: The Complete Story

By John Ware, Gerald L. Posner

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Killing the Dream

By Gerald L. Posner

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Killing the Dream: James Earl Ray and the Assassination of Martin Luther King, Jr.

By Gerald L. Posner

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Democracy and Political Change in the Third World

By Gerald L. Posner

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This book examines the experience of democracy in developing countries such as Mexico, Zambia, India and Indonesia. The book will be of interest to scholars of Comparative Politics, Third World Pol...

Mengele

By Gerald L. Posner

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Warlords of Crime Chinese Secret Societies

By Gerald L. Posner

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Killing the Dream

By Gerald L. Posner

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Motown

By Gerald L. Posner

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"Motown cuts through decades of unsubstantiated rumors and speculation to tell the true behind-the-scenes narrative of America's most exciting musical dynasty. It follows the company and its amazin...

Killing the Dream: James Earl Ray and the Assassination of Martin Luther King, Jr.

By Gerald L. Posner, Gerald Posner

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After thirty years, Killing the Dream reexamines the assassination of Martin Luther King, Jr., based on new interviews, confidential files, and previously undisclosed evidence. Killing the Dream no...

Why America Slept

By Gerald L. Posner

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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.