Stephen Harrigan Books

A Friend of Mr. Lincoln

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It is Illinois in the 1830s, and Abraham Lincoln is an ambitious—if charmingly awkward—young circuit lawyer and state legislator. Among his friends and political colleagues are Joshua Speed, Willia...

Jacob s Well

By Stephen Harrigan

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Challenger Park: A Novel

By Stephen Harrigan

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Challenger Park

By Stephen Harrigan

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Aransas

By Stephen Harrigan

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Water and light

By Stephen Harrigan

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Jacob's well

By Stephen Harrigan

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The gates of the Alamo

By Stephen Harrigan

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"Never before has the fall of the Alamo been portrayed with such immediacy. And for the first time the story is told not just from the perspective of the American defenders but from that of the Mex...

Gates of the Alamo

By Stephen Harrigan

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The Gates of the Alamo

By Stephen Harrigan

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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.