A book translated into Dutch in which Sheikh Abdurrahman ibn Nasir as-Sadi emphasized that the brilliance of material civilization should not blind us from the reality of misery that humanity endures. As a result, he tried to uncover religious, realistic reasons and means to achieve the useful ways of having a happy life.

A lecture delivered in Arabic and translated into Dutch in which Sh. Ibn Baz shows the principles and invalidators of the Islamic creed as in the Quran and Prophetic Sunnah, for a Muslim's acts of worship are only accepted if he has an authentic creed.