In response, the Promised Messiah(as) wrote this book containing a lengthy Arabic Qasīdah [ode] in praise of the Holy Prophet Muhammad, may peace and blessings of Allah be upon him, in a mere five days. He challenged his opponents to produce the like of it and announced a prize money of Rs. 10,000 which was his total worth at the time. No one arose to the challenge. Instead, a large number of residents of town of Mudh were decimated by the plague as prophesied in this book.
Hazrat Mirza Ghulam Ahmad (1835-1908), the holy founder of the world-wide Ahmadiyya Muslim Community, born in Qadian, a village in rural Punjab, India, was the Divinely appointed Reformer of the latter days and the Promised Messiah and Mahdi. He was sent by God in fulfilment of the prophecies contained in the Holy Bible, the Holy Quran and Hadith, with the express task of rediscovering Islam in its pristine purity and beauty, and bringing mankind back to the Creator.