April J. Wells Books

OCE Oracle Database SQL Certified Expert Exam Guide

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"This exclusive Oracle Press guide covers all of the objectives on the newly created Oracle SQL Expert exam in detail, including control privileges, creating indexes and constraints, altering exist...

Everyday Oracle DBA

By April J. Wells

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Disaster Recovery: Principles and Practices

By Charlyne Walker, Timothy Walker, April Wells, David Abarca

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Grid Database Design

By April J. Wells

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Grid Application Systems Design

By April J. Wells

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The Tech Professional s Guide to Communicating in a Global Workplace

By April Wells

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Grid Database Design

By April J. Wells

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Oracle 11i E Business Suite from the Front Lines

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Oracle 11i e Business Suite from the Front Lines

By April J. Wells

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Grid Application Systems Design

By April J. Wells

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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.