Emerald Hills of the Heart: Key Concepts in the Practice of Sufism 1Yazar: M. Fethullah Gulen This book is a comprehensive study of concepts and terms associated with Sufi traditions of Islam. Gulens informative analysis of Sufi ideas is a must read for those who seek a understanding of the dynamics of sufism. For Gulen, sufism is a form of self purification leading to inner dimension of Islamic rituals, a deeper understanding of the divine acts, and a greater knowledge and love of the Divine. The continual process of