Bismillah
Thank you for your question. A useful book to start with is Self Building by Ay. Ibrahim Amini (rA) and it can be found at the following link:
https://www.al-islam.org/self-building-ibrahim-amini
May you always be successful
Shaykh Zoheir Ali Esmail has a Bsc in Accounting and Finance from the LSE in London, and an MA in Islamic Studies from Middlesex University. He studied Arabic at Damascus University and holds a PhD from the University of Exeter in the philosophical and mystical readings of Mulla Sadra in the context of the schools of Tehran and Qum.