Islam and the form of the mosque / Martin Frishman -- The role of calligraphy / Wheeler M. Thackston -- Applications of geometry / Mohammad Al-Asad -- Introduction : regionalism / Ismail Serageldin -- The central Arab lands / Dogăn Kuban -- Spain and north Africa / Antonio Fernández-Puertas -- Iran and central Asia / Bernard O'Kane -- Anatolia and the Ottoman legacy / Gülru Necipoğlu -- The Indian subcontinent / Perween Hasan -- Sub-Saharan West Africa / Labelle Prussin -- East Africa / Mark Horton -- China / Luo Xiaowei -- South-East Asia / Hugh O'Neill -- The mosque in Islamic society today / Oleg Grabar -- An overview of contemporary mosques / Hasan-Uddin Khan -- The metamorphosis of the sacred / Mohammed Arkoun.