Page-22 : Jinns do not know unseen or invisible(الغائب):Among Jinns there are Muslims and unjust:There are virtuous and sinners among Jinns:
Jinns do not understand even the unexposed things: After the death of Solaiman (A.) Jinns have no knowledge of his death. As the Quran says- فلما قضينا عليه الموت ما دلهم على موته إلا دابة الارض تأكل منسأته فلما خر تبينت الجن أن لوكانوا يعلمون الغيب ما لبثوا فى العذاب المهين ...