What are the methodical and academic books that prove the creed and clarify that Islam is the truth, along with mentioning evidence for the oneness of Allah and His perfection rationally, and the truthfulness of the Messenger, which can be presented to a new Muslim or a skeptic, and what are the appropriate books for a student of knowledge to increase his certainty, with a brief definition for each book?

Contemplating the Holy Quran and the Prophetic Sunnah is the best means to increase faith and remove doubts. Revelation contains conclusive proofs of the truth of Islam and the veracity of Prophet Muhammad, peace and blessings be upon him, and it includes decisive rational arguments against skepticism and doubts. It is a healing for what is in the hearts, and a guidance and mercy for the believers. Therefore, it is recommended to read the Quran with contemplation, and to seek assistance from some tafsirs, such as the tafsir of Sheikh Abdurrahman al-Sa'di. In addition, one can refer to specialized books refuting misconceptions, such as: "Izhar al-Haqq" by Muhammad Rahmatullah al-Hindi, "Al-Naba' al-Azim" by Muhammad Abdullah Daraz, "Al-Barahin al-Aqliyyah ala Wahdaniyyat al-Rabb" by Abdurrahman al-Sa'di, "Barahin Wujud Allah" and "Barahin al-Nubuwwah" by Sami Amiri, and "Shumu' al-Nahar" and "Milishia al-Ilhad" by Abdullah al-Ajiri. It is also recommended to follow the publications of Dalail Center and Barahin Center, and to review books that address the scientific inimitability of the Quran and the Prophetic Sunnah.