Fred Bortz Books

The Proton
The Proton

By Fred Bortz

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Understanding photons
Understanding photons

By B. H. Fields

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Explores the scientific question: what is the nature of light?, explains how light is both pure energy and a stream of tiny particles, and follows the questions that led to our understanding of pho...

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Beyond Jupiter
Beyond Jupiter

By Fred Bortz

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Seven Wonders of Space Technology
Meltdown
Meltdown

By Alfred B. Bortz

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Meltdown
Meltdown

By Alfred B. Bortz

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Seven wonders of space technology
Seven Wonders of Exploration Technology
Seven wonders of exploration technology
Astrobiology
Astrobiology

By

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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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