A very beautiful book in Indoonesian consists of many simple authentic supplications that a Muslim should daily or occasionally say, based on Quranic and Prophetic texts.
A book in Indonesian shows the ruling of those totally neglecting prayers in this world and hereafter as in the Quran and Sunnah along with scholars' fatwas.
A book in Indonesian shows some authentic supplications that Muslims can say on different occasions such as after the five obligatory prayers, morning and evening, getting in and out of home and mosque, etc.