Contents: Introduction; The nature of Arab unity before Islam, Gustav von Grunebaum; The role of nomads in the Near East in Late Antiquity (400-800 c.e.), Fred M. Donner; The bedouinization of Arabia, Werner Caskel; Trans-Arabian routes of the pre-Islamic period, Daniel Potts; Al-Hira. Some notes on its relation with Arabia, M.J. Kister; Pre-Islamic Bedouin religion, J. Henninger; Idol worship in pre-Islamic Medina (Yathrib), Michael Lecker; The origin of the Jews of Yathrib, Moshe Gil; Haram and hawtah, the sacred enclosures in Arabia, R.B. Serjeant; The pre-foundations of the Muslim community in Mecca, Fazlur Rahman; Mecca before the time of the prophet - attempt of an anthropological interpretation, Walter Dostal; The 'sacred offices' of Mecca from Jahiliyya to Islam, Gerald R. Hawting; Hanifiyya and Ka'ba. An enquiry into the Arabian pre-Islamic background of the din Ibrahim, Uri Rubin; Pre-Islamic monotheism in Arabia, H.A.R. Gibb; Belief in a 'High God' in pre-Islamic Mecca, W. Montgomery Watt; The Ka'ba: aspects of its ritual functions and position in pre-Islamic and early Islamic times, Uri Rubin; The role played by the organization of the Hums in the evolution of political ideas in pre-Islamic Mecca, Ugo Fabietti; The campaign of Hulaban: new light on the expedition of Abraha, M.J. Kister; Index.