Robert Harbin Books

The phenomenal bestselling classic that brought the ancient art of Japanese paperfolding to the U.S. explains the history and the universal symbol system used in origami texts and presents basic fo...

Origami: The Art of Paper Folding No. 1

By Robert Harbin

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First published as Teach Yourself Origami

Origami: Art of Paper Folding

By Robert Harbin

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Origami 3: Art of Paper Folding

By Robert Harbin

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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.