Elizabeth Dana Jaffe Books

Ellen Ochoa Rookie Biographies

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Ellen Ochoa Rookie Biographies

By Elizabeth D. Jaffe

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The Lives of Ants

By Elizabeth Dana Jaffe

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The Louisiana Purchase

By Elizabeth Dana Jaffe

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Explains the events that led Napoleon Bonaparte to sell the Louisiana Territory and the difficulties that Thomas Jefferson had in making the purchase that doubled the size of the United States.

The Oregon Trail

By Elizabeth Dana Jaffe

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Examines the famous westward route of American settlement during the 1800s, including everyday life on the trail, what it took to make the journey successfully, and what happened to unsuccessful at...

The Louisiana Purchase Let Freedom Ring

By Elizabeth Dana Jaffe

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The Oregon Trail Let Freedom Ring

By Elizabeth Dana Jaffe

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about thee orgon trail

Pilots Community Workers

By Elizabeth Dana Jaffe

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Sojourner Truth

By Elizabeth Dana Jaffe

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Dominoes Games Around the World

By Linda D. Labbo, Elizabeth Dana Jaffe, Sherry L. Field

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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.