Tom Casteel Books

The science of science fiction

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Early science fiction imagined a world with space travel, video calls, and worldwide access to information, things we now know as NASA s human spaceflight program, Skype, and the Internet. What nex...

The Science of Science Fiction

By Matthew Brenden Wood

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The Underground Railroad

By Judy Dodge Cummings, Tom Casteel

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Innovators

By Tom Casteel, Marcia Amidon Lusted

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Lakes and Ponds

By Johannah Haney

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Biomes

By Donna Latham

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Biomes

By Donna Latham

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Inside the Human Body

By Mooney, Tom Casteel

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The Brain

By Carla Mooney

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Human Migration

By Judy Dodge Cummings, Tom Casteel

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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.