Limādhā? yarunnu jaras al-hātif wa-ghayruhā min al-asʼilah ḥawla al-ittiṣālāt: Arabic 1997

Li-mādhā? taghzilu al-‘anākab shibākaha : wa-ghayruhā min al-asʼilah ḥawla al-ḥasharāt al-zāḥifah

Li-mādhā? tuṣdiru al-mi‘dah aṣvātan : wa-ghayruhā min al-asʼilah ḥawla jism al-insāns

Li-mādhā? lil-jamāl sinām : wa-ghayruhā min al-asʼilah ḥawla al-ḥayāwānāt

Li-mādhā tashriq al-shams: wa-ghayruhā min al-asʼilah ḥawla al-zaman wa-al-fuṣūl

Li-mādhā? al-baḥr māliḥ : wa-ghayruhā min al-asʼilah ḥawla al-muḥīṭāt

Al-Javahir va al-Ahjar al-Karimah

Al-Fawakah va al-Khazar

Ta´arruf al-Jism al-Bashari

Al-Nujum va al-Kawakib

´Aja´ib al-Faza va Asrarah