Al-Ashqar, 'Umar Sulayman. Devotion : so worship Allah with devotion to his religion / 'Umar S. al-Ashqar ; translated by Khaled H. Nusseibeh. - Jordan : Dar Al-Nafaes, 2009. - 200 p. ; 21 cm. Original title: Al-Ikhlas. ISBN: 9789957477677 (pbk.) EGP29.45 Subjects--Topical Terms: Sincerity.Honesty.