Jeff M. Genender Books

Enterprise Java(TM) Servlets

By Jeff M. Genender

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Professional Apache Geronimo

By Jeff M. Genender, Sing Li, Bruce Snyder, Jeff Genender

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geronimo Is A Popular Production-grade Open Source J2ee 1.4 Certified Server Available Free Of Charge. It Is The Only Server Of Its Kind Licensed Under The Apache Software License 2.0, Allowing Fre...

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.