Encouraging reading those books that highlight the evidence proving the truth of the fundamentals of Islam. Scholars of old and recent times wrote in this field.
Many early scholars, such as al-Khattabi, al-Rummani, al-Baqillani, al-Jurjani and many others wrote on the inimitability of the Qur’an.
A wider field focuses on the proofs of prophethood. On this subject we have numerous books including those written by Abu Nuaym al-Asbahani, Justice Abd al-Jabbar and al-Bayhaqi, etc.