Joe Friedman Books

Boobela and Worm

By Joe Friedman, Sam Childs, Samantha Bond

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Secret Dog

By Tim Archibald, Joe Friedman

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Boobela and Worm

By Joe Friedman, Sam Childs

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Secret Dog

By Tim Archbold, Joe Friedman

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Boobela and Worm to the rescue

By Joe Friedman

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Boobela is a young giant, who used to be shy and lonely. Then she met Worm (who is a Worm) and her world changed. Now they make new friends and have adventures. In this story, Boobela and Worm face...

Inside Paris: Discovering the Classic Interiors of Paris

By Joe Friedman

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Bubela ile Kurtcuk

By Joe Friedman

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Bubela Kurtcuk ve Iksirin Gucu

By Joe Friedman

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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.