Dr. Bruce Betts Books

Astronomy for Kids

By Dr. Bruce Betts, Dr. Erica L Colon

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The Solar System Reference for Teens: A Fascinating Guide to Our Planets, Moons, Space Programs, and More

By Dr. Bruce Betts

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Take a tour of our solar system with this guide for teens ages 12 to 16 From the moons of Jupiter to the surface of Mars, our solar system is home to a multitude of wild, weird worlds. Crack open...

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.