Ellen Rodger Books

A refugee's journey from Iraq

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Zainab has never known peace in her homeland of Iraq. She and her family flee the country after her father is threatened by one of the many groups fighting against the government. Zainab's life is...

A groundbreaking advocate for transgender youth and LGBTQ rights, Jazz Jennings is one of the first youth to speak publicly about her experiences as a transgender individual. A spokesperson, writer...

Jazz Jennings

By Ellen Rodger

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A Refugee s Journey from South Sudan Leaving My Homeland

By Ellen Rodger

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Atlas and globe skills

By Ellen Rodger

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An introduction to atlas and globe usage.

Physical Maps All Over the Map

By Ellen Rodger

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Atlas and globe skills

By Ellen Rodger

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An introduction to atlas and globe usage.

Physical Maps All Over the Map

By Ellen Rodger

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Great Lakes Research Journal Ecosystems Research Journal

By Ellen Rodger

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Mississippi River Research Journal Ecosystems Research Journal

By Ellen Rodger

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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.