“Early Philosophical Shi’ism: The Isma’ili Neoplatonism of Abu Yaqub al-Sijistani By Paul E. Walker. Cambridge, UK and New York: Cambridge University Press, 1995, 203 pp”. (1995) American Journal of Islam and Society, 12(4), pp. 568–571. doi:10.35632/ajis.v12i4.2360.