Mark Washburn Books

Distant encounters

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An account of the Voyager space flights discusses the successful results of the missions in terms of the acquisition of new data concerning the planets of Jupiter and Saturn.

In the Light of the Sun

By Mark Washburn

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Distant encounters

By Mark Washburn

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An account of the Voyager space flights discusses the successful results of the missions in terms of the acquisition of new data concerning the planets of Jupiter and Saturn.

The Armageddon game

By Mark Washburn

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Mars at last!

By Mark Washburn

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The Armageddon game

By Mark Washburn

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The Armageddon Game

By Mark Washburn

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Nightwind

By Mark Washburn

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The omega threat

By John Berkey, Mark Washburn

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The Omega threat

By Mark Washburn

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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.