Elizabeth Thomas Books

Presents twelve tips for reducing air pollution, including composting, recycling, and planting trees, and explains how each action contributes to cleaner air.

Conserving energy

By Elizabeth Thomas

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Presents twelve tips for conserving energy, including using fluorescent light bulbs and turning off electronic devices after use, and explains each action's impact on the environment.

Reduce reuse recycle

By Elizabeth Thomas

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Great white sharks

By Elizabeth Thomas

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"This book takes readers on a journey under the sea to discover the fascinating facts about great white sharks, including physical features, habitat, life cycle, food, and more. Photos, captions, a...

Great white sharks

By Elizabeth Thomas

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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.