A book in German confirms that each act of worship has a certain way to perform which Allah or his Prophet (peace be upon him) clarified so it shows and describes in detail the Prophet's prayer. It urges every Muslim to imitate the Prophet as in his saying, "Pray as you saw me pray."
A book in German contains a brief message by the great scholar Sh. Abdulaziz ibn Baz (may Allah have mercy on him) in which he shows some rulings of Zakat.