Brenda A. Johnston Books

Between the devil and the sea

By Brenda A. Johnston

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A biography of the free black man who became a wealthy Philadelphia sailmaker and active abolitionist.

I Cannot Be a Traitor The Cannon That Talked Back I Cannot Be a Traitor The Cannon That Talked Back

By Mary N. Woodrich, Brenda A. Johnston

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Struggle for Freedom and Henry Box Brown

By Brenda A. Johnston

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Henry Box Brown Struggle for Freedom Wildfire Black History Series II

By Martha Smith, Brenda A. Johnston

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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.