Roger Priddy Books

Contemporary and Classical Arguments Getting the Picture

By Marcia Muth, Sylvan Barnet, Karla Saari Kitalong, Hugo Bedau

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Baby Grip

By Roger Priddy

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Colorful pictures and simple text introduce young children to colors.

Baby Look

By Priddy Bicknell, Roger Priddy

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Happy Baby Words

By Roger Priddy

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Simple text and images introduce early vocabulary and concepts.

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.