James A. McGowan Books

Station Master On The Underground Railroad

By James A. McGowan

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The Gospel of Mark

By James McGowan

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Walking on Air

By James A. McGowan

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Harriet Tubman

By James A. McGowan

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Overview: The legendary Moses of the Underground Railroad, Harriet Tubman was a fiery and tenacious abolitionist who organized and led African American military operations deep in the Confederacy....

Harriet Tubman

By James A. McGowan

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Overview: The legendary Moses of the Underground Railroad, Harriet Tubman was a fiery and tenacious abolitionist who organized and led African American military operations deep in the Confederacy....

Station Master on the Underground Railroad

By James A. McGowan

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Hear today here to stay

By James A. McGowan

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Freedom on the River

By James A. McGowan

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Station Master on the Underground Railroad

By James A. McGowan

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Hear today! here to stay!: A personal history of rhythm and blues

By James A McGowan

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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.