Political Islam is Islam's ideology about unbelievers, kafirs.
The foundation of all of Islam is found in three books, the Trilogy -- the Koran, the Sira (the life of Mohammed), and the Hadith (the Traditions of Mohammed). This knowledge is available in different formats.
The first book ever written about how to use the facts of Islam in persuasion and argument
Islam and the Psychology of the Muslim is a jewel from the early 20th century, written before the disaster of modern, politically correct thought control. The author, Andre Sevier, was a scholar of Islamic doctrine and its political history.
This is a reprint of a 1901 book, from back in the day when Christian scholarship on Islam was of a high level.