Ellen Francis Harris Books

Guarding the Secrets: Palestinian Terrorism and a Father's Murder of His Too-American Daughter

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To her friends and teachers, sixteen-year-old Tina Isa was a bright, bubbly American girl, working at a fast-food restaurant to earn money for college and dating a shy, poetic senior. But at home t...

Dying to Get Married: The Courtship and Murder of Julia Miller Bulloch

By Ellen Francis Harris

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Dying to get married

By Ellen Francis Harris

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Guarding the Secrets

By Ellen Harris

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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.