Andrew Fraknoi Books

Disney Wonderful World of Space

By Andrew Fraknoi

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When the sun goes dark

By Andrew Fraknoi

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This illustrated book is a fun way to get young astronomers ready for August 2017, when millions of North Americans will have the rare chance to witness a solar eclipse. The book tells how two curi...

The Universe at Your Fingertips

By Andrew Fraknoi, International Astronomical Union. Symposium

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More Universe at Your Fingertips

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Astronomy

By Andrew Fraknoi Foothill College, Sidney C. Wolff National Optical Astronomy Observatory Emeritus, David Morrison National Aeronautics And Space Administration

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Solar Science Exploring Sunspots Seasons Eclipses and More PB403X

By Andrew Fraknoi, Dennis Schatz

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Oht s T A Franknoii Voyages Thru Universe

By Andrew Fraknoi, Fraknoi

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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.