Introducing Islam to non-Muslims

A book in German makes an introduction to Islam, the complete and final Message to humankind. It defines its terms and teachings and gives an advice to the Muslims and non-Muslims on following the path of the righteous Muslim predecessors.

This is a German article mentions sayings of non-Muslims about Islam.

This is a book in German shows what Islam is.

A book in German specifically written for non-Muslims to help them better understand Islam, Muslims, and the noble Quran. It is rich in information, references, bibliography, and illustrations. It has been reviewed and edited by many professors and well-educated people. It is brief and simple to read, yet contains much scientific knowledge.