Douglas Hustad Books

Thomas Edison Invents the Light Bulb
Isaac Newton discovers gravity
Isaac Newton discovers gravity

By Douglas Hustad

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A biography of Isaac Newton discusses his childhood and education and describes how his discovery advanced the field of science.

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Thomas Edison Invents the Light Bulb
Life in the US Air Force
Life in the US Air Force

By Douglas Hustad

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Gaming and Professional Sports Teams
Your Passport to China
Your Passport to China

By Douglas Hustad

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Your Passport to Russia
Your Passport to Russia

By Douglas Hustad

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Your Passport to Spain
Your Passport to Spain

By Douglas Hustad

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Your Passport to China
Your Passport to China

By Douglas Hustad

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Your Passport to Russia
Your Passport to Russia

By Douglas Hustad

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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.

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