Stephanie Thornton Books

The Secret History

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Where Theodora went, trouble followed…. In sixth-century Constantinople, one woman, Theodora, defied every convention and all the odds and rose from common theater tart to empress of a great kingdo...

The Tiger Queens

By Stephanie Thornton

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In the late twelfth century, across the sweeping Mongolian grasslands, brilliant, charismatic Temujin ascends to power, declaring himself the Great, or Genghis, Khan. But it is the women who stand...

Finding forgiveness

By Jim McManus

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Understanding Developmental Psychology

By Stephanie Thornton, Teodora Gliga

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And They Called It Camelot

By Stephanie Marie Thornton

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A Most Clever Girl

By Stephanie Marie Thornton

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American Princess

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American Princess

By Stephanie Marie Thornton

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“As juicy and enlightening as a page in Meghan Markle's diary.”—InStyle“Presidential darling, America’s sweetheart, national rebel: Teddy Roosevelt’s swashbuckling daughter Alice springs to life in...

And They Called It Camelot

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An intimate portrait of the life of Jackie O… Few of us can claim to be the authors of our fate. Jacqueline Bouvier Kennedy knows no other choice. With the eyes of the world watching, Jackie uses...

Children Solving Problems

By Stephanie THORNTON

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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.