Eric S. Raymond Books

The Art of UNIX Programming

By Eric S. Raymond

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The New Hacker's Dictionary - 3rd Edition

By Eric S. Raymond

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The New Hacker's Dictionary, third edition

By Eric S. Raymond

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This new edition of the hacker's own phenomenally successful lexicon includes more than 100 new entries and updates or revises 200 more.This new edition of the hacker's own phenomenally successful...

The Cathedral the Bazaar

By Eric S. Raymond

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Learning GNU Emacs

By Eric S. Raymond, Bill Rosenblatt, Debra Cameron

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L' art de la programmation UNIX

By Eric S. Raymond

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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.