Andrea Warren Books

Discusses the placement of over 200,000 orphaned or abandoned children in homes throughout the Midwest from 1854 to 1929 by recounting the story of one boy and his brothers.

Orphan Train Rider

By Andrea Warren

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Surviving Hitler

By Andrea Warren

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Blends the personal testimony of Holocaust survivor, Jack Mandelbaum, with the history of his time, documented by photos from the archives of the U.S. Holocaust Memorial Museum. What was the secret...

Charles Dickens and the Street Children of London

By Andrea Warren

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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.