Sophia McDougall Books

Mars evacuees

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Twelve-year-old Alice Dare is one of 300 seven- to sixteen-year-olds evacuated to Mars to attend school and train as soldiers, safe from the war with Earth's invading aliens, the Morrors, but when...

Space Hostages Mars Evacuees

By Sophia McDougall

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Space Hostages

By Sophia McDougall

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Savage City

By Sophia McDougall

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Rome Burning

By Sophia McDougall

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Mars Evacuees

By Sophia McDougall

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Space Hostages Turtleback School Library Binding Edition Mars Evacuees

By Sophia McDougall

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Mars Evacuees

By Sophia McDougall

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Romanitas

By Sophia McDougall

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Rome Burning SIGNED

By Sophia McDougall

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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.