From the contents: Letter from the editor.- Continuity versus Discretization.- Cognitive-Mathematical Approaches for Evaluating Architectural Contextual Fit.- Nicola Zabaglia and the School of Practical Mechanics of the Fabbrica of St. Peter's in Rome.- Mathematics for/from society: The Role of the Module in Modernizing Japanese Architectural Production.- Can Chaos Theory Explain Complexity In Urban Fabric? Applications in Traditional Muslim Settlements.- A Design Generation of the Pre-Islamic and Early Islamic Palaces in the Central and Middle Asia.- Antonelli's Dome for San Gaudenzio: Geometry and Statics.- Music and Architecture. A Cross between Inspiration and Method.- Using key diagrams to design and construct Roman geometric mosaics?