Robert Harbin Books

Secrets of Origami

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Origami is the Japanese term for the art of paper-folding. From Japan it has come to the Western world. Robert Harbin, well-known as a writer and television entertainer on this and similar subjects...

How To Be A Conjuror

By Robert Harbin

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Origami

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Teach Yourself Origami

By Robert Harbin

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Family card games

By Robert Harbin

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Magic

By Robert Harbin

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Have Fun with Origami

By Robert Harbin

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Railway to Wombourn.

By Ned Williams

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Get started with origami

By Robert Harbin

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Art du Pliage du Papier

By N A

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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.