Bill Blunden Books

Message Passing Server Internals

By Bill Blunden

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Offshoring IT

By Reverend Bill Blunden

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"The commercial airwaves are rife with well-groomed talking heads who claim to be the bearers of good news: offshoring will save America. They claim that it will cure the coming labor shortage and...

Software Exorcism A Handbook for Debugging and Optimizing Legacy Code

By Bill Blunden

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YOU HAVE TO OWN THIS BOOK! Software Exorcism: A Handbook for Debugging and Optimizing Legacy Code takes an unflinching, no bulls$&# look at behavioral problems in the software engineering indus...

Rootkit Arsenal Escape and Evasion in the Dark Corners of the System

By Bill Blunden

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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.