Fred Harper Books

SLAMM The Hardboiled Fiction Of C. J. Henderson

By Trevor Von Eeden, Fred Harper, C. J. Henderson, Richard Clark, Various

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Neil Gaiman s Lady Justice

By C. J. Henderson, Dan Brereton, Fred Harper

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Dirtmeister s Nitty Gritty Planet Earth

By Steve Tomecek, Fred Harper

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Dirtmeister's Nitty Gritty Planet Earth

By Steve Tomecek

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Come and explore the world under your feet with the Dirtmeister and friends! Part graphic novel, part fun guidebook, this very cool, rocky journey introduces both eager and reluctant readers to the...

Benjamin Franklin s Wise Words

By Fred Harper, Benjamin Franklin, K. M. Kostyal, H. W. Brands

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Snelson

By Fred Harper, Paul Constant

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Highball

By Fred Harper, Stuart Moore

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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.