Watts S. Humphrey Books

This new work from Watts Humphrey, author of the influential book, Managing the Software Process, broadens his orderly view of software process management, and lays the foundation for a disciplined...

Introduction to the Personal Software Process

By Watts S. Humphrey

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TSP: Coaching Development Teams

By Watts S. Humphrey

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Winning with Software: An Executive Strategy

By Watts S. Humphrey

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PSP(sm): A Self-Improvement Process for Software Engineers

By Watts S. Humphrey

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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.