Todd Oldham Books

Charley Harper

By Charley Harper

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Joan Jett

By Todd Oldham, Kathleen Hanna

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Wayne White

By Wayne White, Todd Oldham

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Charley Harper

By Todd Oldham, Charley Harper

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"Introduces kids to masters of modernism with 52 playful, simple to stimulating craft projects. Featuring inexpensive, often recycled and easily accessible materials with clear photography and easy...

Todd Oldham Without Boundaries

By Todd Oldham

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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.