David A. Fryxell Books

Double-parked on Main Street

By David A. Fryxell

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Living healthier longer

By Irwin H. Rosenberg, David A. Fryxell

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MicroHistory

By David A. Fryxell

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The Family Tree Scandinavian Genealogy Guide

By David A. Fryxell

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Trace your Swedish, Norwegian, or Danish ancestors! This convenient guide will help you discover your Northern European family history while optimizing your research time. Highlights include: &#160...

Good Old Days My Ass

By David A. Fryxell

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Welcome to the Not-So-Glorious DaysWith the uncertain economy, lingering wars, and the ever-present threats of everything from bird flu to Bieber Fever, it's tempting to long for the "good old days...

Good Old Days My Ass

By David A. Fryxell

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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.