Eileen Reeves Books

Galileo s Glassworks

By Eileen Reeves

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Painting the Heavens

By Eileen Reeves

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Painting the heavens

By Eileen Adair Reeves

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The remarkable astronomical discoveries made by Galileo with the new telescope in 1609-1610 led to his famous disputes with philosophers and religious authorities, most of whom found their doctrine...

On Sunspots

By Eileen Reeves, Christoph Scheiner, Galileo Galilei, Albert Van Helden

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Evening News

By Eileen Reeves

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On Sunspots

By Eileen Reeves, Christoph Scheiner, Galileo Galilei

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Evening News

By Eileen Reeves

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Evening News

By Eileen Adair Reeves

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Sea Stained Glass Color by Number

By Eileen Reeves

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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.