Robert Zubrin Books

Mars Direct

By Robert Zubrin

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The case for Mars

By Robert Zubrin

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Leading space exploration authority Robert Zubrin has crafted a daring new blueprint, Mars Direct, that experts are hailing as the most visionary and pragmatic step toward expanding human activity...

Worst Case Scenario Ultimate Adventure Mars

By David Borgenicht, Robert Zubrin, Hena Khan, Yancey Labat

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Case for Mars

By Arthur C. Clarke, Robert Zubrin, Richard Wagner

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Case for Mars

By Robert Zubrin

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Energy Victory

By Robert Zubrin

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Mars on Earth

By Robert Zubrin

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Merchants of Despair

By Robert Zubrin

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Merchants of Despair

By Robert Zubrin

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Case for Space

By Robert Zubrin

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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.