Read English Translation of Above Book at http://spiritual-pakistan-future.blogspot.com/2011/04/english-translation-of-800-years.html
Author: H.M. Sarwar Nizami was educated By Hazrat Abbu-ul-Haqaeeq Amanat Ali Shah Chishti Nizami. Hazrat Amanat Ali wrote many books and delivered many lectures and khutbaat. His famous books are “Asrar-e-Maarifat”, “Aaeena-e-Maarifat”. Asrar-e-Maarifat is a collection of his Friday Sermons (Khutbaat) in 1965s era on topics Tasawwuf and Rohaaniat.
See more details about H.M. Sarwar Nizami’s Book at http://spiritual-pakistan-future.blogspot.com/2011/09/pakistani-researchers-reply-to-c-m-naim.html