Theology and Metaphysics in Nahjal Balaghah by Shaheed Murtaza Mutahhari.

Nahjul Balagha Arabic & English (Part 1 and Part 2): Sermons by Sharif al-Radi.

A Commentary on Theistic Arguments by Ayatullah ʿAbdullah Jawādī Āmulī.

God in Islamic Traditions: A Glance at al-Tawhid by Shaykh al-Saduq by Karim Aghili.

 God in the Quran by Sayyed Mohammad Beheshti.

The Experience of God: Being, Consciousness, Bliss by David Bentley Hart.