Key concepts in the practice of Sufism : emerald hills of the heart

Main Author: Gulen, M. Fethullah
Other Authors: Unal, Ali
Published: Somerset, NJ Clifton, NJ: The Light, Inc.: 2004, 2006, 2009, 2010.
Subjects:
Physical Description: 4 volumes; 23 cm.
ISBN: 9781932099775 (hbk. ; vol. 2)
9781932099249 (hbk. ; vol. 1)
1932099247 (hbk. ; vol. 1)
1932099778 (hbk. ; vol. 2)
9781597841368 (hbk. ; vol. 3)
1597842133 (hbk. ; vol. 4)
9781597842136 (hbk. ; vol. 4)
1597841366 (hbk. ; vol. 3)