Glen Phelan Books

Energy Powering Our World Informational Nonfiction

By Glen Phelan

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Energy A Bright Future Informational Nonfiction Science

By Glen Phelan

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Macmillan McGraw Hill Un paso mas Grado 4 La fuerza y el movimiento en los deportes GR N Benchmark 30

By Glen Phelan

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Macmillan McGraw Hill Un paso mas Grado 4 La fuerza y el movimiento en los deportes GR N Benchmark 30

By Glen Phelan

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LANGUAGE LITERACY VOCABULARY READING EXPEDITIONS CIENCIAS FISICAS

By NATIONAL GEOGRAPHIC LEARNING

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Explores the motion of Earth and the moon in relation to the sun, and explains why season occur. Identifies factors that cause the moon's phases. Discusses how ancient peoples made innovations such...

Extreme weather

By Glen Phelan

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Discusses extreme weather and the latest projects to improve storm prediction. Describes some of the health, economic, and environmental effects of extreme weather. Explains how thunderstorms, torn...

Introduction to Energy

By Glen Phelan

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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.