Cheryl Harness Books

Remember the ladies

By Cheryl Harness

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Rabble rousers

By Cheryl Harness

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Presents twenty women in America's history who fought for men's and women's rights, including Ann Lee, Jane Adams, Alice Paul, Dolores Huerta, and Sojourner Truth.

Franklin & Eleanor

By Cheryl Harness

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Introduces the lives of President Franklin D. Roosevelt and First Lady Eleanor, distant cousins who married in 1905 and helped guide the country during the Depression and the second World War.

Three Young Pilgrims

By Cheryl Harness

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Abe Lincoln goes to Washington 1837 1865

By Cheryl Harness

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Ghosts of the White House

By Cheryl Harness

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Mark Twain and the Queens of the Mississippi

By Cheryl Harness

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Young Abe Lincoln

By Cheryl Harness

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Abe Lincoln Goes to Washington 1837 1865

By Cheryl Harness

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Ghosts of the Civil War

By Cheryl Harness

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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.