A book in Bosnian the five pillars of Islam: The two testimonies, prayer, zakah, fasting, and pilgrimage. All of them are simply handled in detail concerning meaning, proofs, wisdom, and conditions.
A book in Bosnian explains the six pillars of Islamic faith: Belief in Allah, His angels, His books, His Messengers, the hereafter, the good or bad predestination from an Islamic perspective.