Christopher Alexander Books

This introductory volume to Alexander's other works, A Pattern of Language and The Oregon Experiment, explains concepts fundamental to his original approaches to the theory and application of archi...

The Battle for the Life and Beauty of the Earth: A Struggle between Two World-Systems

By Christopher Alexander

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The purpose of all architecture, writes Christopher Alexander, is to encourage and support life-giving activity, dreams, and playfulness. But in recent decades, while our buildings are technically...

Tunisia

By Christopher Alexander

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Arab Revolts

By Christopher Alexander, Sarah Birke, Amanda Ufheil Somers, David McMurray, Joel Beinin

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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.