Tamra Orr Books

The International Space Station
Maya Angelou and Oprah Winfrey Famous Friends True Tales of Friendship
Ella Fitzgerald and Marilyn Monroe
Forecasting a flood
Forecasting a flood

By Tamra Orr

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"Use the scientific method to learn how experts predict floods and other natural disasters."--

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Anger
Anger

By Tamra Orr

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This Level 1 guided reader explores the feeling of anger. Students will develop word recognition and reading skills while learning about their feelings. Index; Sources for further research; Glossar...

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Friendliness
Friendliness

By Tamra Orr

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This Level 1 guided reader explores the feeling of friendliness. Students will develop word recognition and reading skills while learning about their feelings. Index; Sources for further research;...

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Joy 21st Century Basic Skills Library Feelings
Fear
Fear

By Tamra Orr

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This Level 1 guided reader explores the feeling of fear. Students will develop word recognition and reading skills while learning about their feelings. Index; Sources for further research; Glossary...

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BP Oil Spill and Energy Policy
BP Oil Spill and Energy Policy

By Tamra Orr

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Studying Sinkholes
Studying Sinkholes

By Tamra B. Orr

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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.

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