Alan Harris Books

Thinking Education Harris Concept

By Alan Harris, Alan Edward Harris

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Pro ASP.NET 4 CMS

By Alan Harris

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The Great Voyager Adventure: A Guided Tour Through the Solar System

By Alan Harris, Paul Weissman, Harris Alan

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Discusses the Voyager space probes and the information they have brought back about Jupiter, Saturn, Uranus, and Neptune.

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.