Review of Ramon Harvey (2021) Transcendent God, rational world: a Maturidi theology

Transcendent God, Rational World: A Maturidi Theology. By Ramon Harvey. Edinburgh: Edinburgh University Press, 2021. Pp. xiv + 280, Hardcover £90.00, ISBN 978-1-4744-5164-2.When can it be claimed that a certain discipline is doing something so new and innovative, that it can be labeled as such? Or when is something so new and innovative that it can no longer bear its original label? Either case signifies a level of discontinuity or rupture with the old ways of doing things. This is the fate of modern Islamic theology, which goes by the name kalām jadīd, New Theology.The discipline of Islamic philosophical or dialectical theology, ʿilm al-kalām, acquired its distinct methodology and themes in the first two centuries of Islam, becoming the defining intellectual voice of the Islamic worldview. Responding both to the developed theologies of Christianity and Zoroastrianism and other religions and philosophies, as well as responding to inner theological disputes, it combined comparative theology, philosophy of religion, and dogmatics. It developed its own indigenous rationalism, and integrated and adapted other philosophical ideas and methods, especially those of Aristotle and Neoplatonism. Islamicate civilization generated many native philosophers, like al-Kindī (d. 873) and al-Fārābī (d. 951), but it was Ibn Sīnā (Latin: Avicenna, d. 1037) who literally overturned metaphysical thought in such a radical way that theologians, including Jewish and Christian, speak of theology as before and after his influence.During the 750 years after the "Avicennian turn" many new philosophies have arisen, but none challenged the metaphysics of the Abrahamic theologies as much as Kant. Kalām can, similar to Christian Neo-Scholasticism, ignore the Kantian turn by restating their confidence in Peripatetic and Avicennian/Thomistic metaphysics, or it can integrate and adapt to it. The Muslim voices that have tried the latter are few but they have garnered more attention over the years. One o