Heather E. Schwartz Books

Teacher Created Materials Primary Source Readers American Indians of the East

By Heather E. Schwartz, Lynette Ordonez

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Early explorers

By Heather E. Schwartz

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Excite students as they learn about the Early Explorers during the Age of Discovery. This informational text takes a look at some of these ambitious world travelers that have helped map the modern...

Teacher Created Materials Primary Source Readers Florida s Government

By Heather E. Schwartz

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Top Volleyball Tips

By Heather E. Schwartz

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Top Ice Hockey Tips

By Heather E. Schwartz

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Top Ice Hockey Tips

By Heather E. Schwartz

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Singles skating

By Heather Schwartz

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There's more to freestyle skating than beautiful costumes, awesome music, and the ability to skate. Learn the rules of the sport as well as the steps it takes to become an unstoppable athlete on ice.

Astronaut Ellen Ochoa

By Heather E. Schwartz

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Super Soaker Inventor Lonnie Johnson

By Heather E. Schwartz

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NASA mathematician Katherine Johnson

By Heather E. Schwartz

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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.