Derek Catsam Books

Citizen of the World

By Bill V. Mullen, Alys Eve Weinbaum, Derek Catsam, Gary Murrell, Erik S. McDuffie, David Levering Lewis, Yuichiro Onishi, Gerald Horne, Phillip Luke Sinitiere, Toru Shinoda, Bettina Aptheker, Lauren Louise Anderson, Robert W. Williams

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Freedom s main line

By Derek Catsam

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"In Freedom's Main Line: The Journey of Reconciliation and the Freedom Rides, author Derek Charles Catsam shows that courtrooms, classrooms, and cemeteries were not the only front lines in African...

Struggle for a Free South Africa

By Derek Catsam

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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.