Yusuf, Hamza, <br/><br/>
Purification of the heart :  signs, symptoms, and cures of the spiritual diseases of the heart / 
Hamza Yusuf. 
 - xxiii, 206 pages ;  23 cm. 
<br/><br/><label>ISBN: </label>9780985565909  RM112.76 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spiritual life--Islam.<br/>Islam.<br/>Religious life--Islam.