Norma Jean Lutz Books

Daria solves a mystery

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In 1862, in Cincinnati, Ohio, as the Civil War progresses, eleven-year-old Daria and her twin brother, Andrew, begin to suspect that one of their mother's boarders is a Confederate spy.

Maria takes a stand

By Norma Jean Lutz

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In 1914, in Minneapolis, Minnesota, as the war in Europe increases general hostility towards German Americans, twelve-year-old Maria Schmidt finds inspiration in the women's suffrage movement and d...

Elise the Actress

By Norma Jean Lutz

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Grace and the Bully

By Norma Jean Lutz

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American challenge 1770 1819

By Susan Martins Miller

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American progress

By Veda Boyd Jones

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Maureen the detective: Set in 1903, eleven-year-old immigrant Maureen Stevenson is ready to become a U.S. citizen--just as soon as she solves the case of who's stealing artwork from her employer's...

American triumph

By Susan Martins Miller

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Rosa takes a chance: Ten-year-old Mexican American Rosa Sanchez wants an education more than anything, but when her teachers leave Texas in search of a better life, how will her dream come true? M...

Tulsa Trespass Return to Tulsa Tulsa Series 3 4

By Norma Jean Lutz

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The History of the Third Parties Your Government How It Works

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Elise the Actress

By Norma Jean Lutz

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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.