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A Pattern Language: Towns, Buildings, Construction is a 1977 book on architecture, urban design, and community livability. It was authored by Christopher Alexander, Sara Ishikawa and Murray Silverstein of the Center for Environmental Structure of Berkeley, California, with writing credits also to Max Jacobson, Ingrid …

The Timeless Way of Building is a 1979 book by Christopher Alexander that proposes a new theory of architecture that relies on the understanding and configuration of design patterns. Although it came out later, it is essentially the introduction to A Pattern Language and The Oregon Experiment, providing the …