His second magnum opus Jawami ul-Hikayat was written under the name of the Vizier of the Ghurid Amir of Delhi. He lived during the reign of Shamsuddin Iltutmish (Altamash) (r. 1211–1236) who was the third Muslim Turkic sultan of the Sultanate of Delhi, and the book is dedicated to his minister, Nizam-ul-Mulk[disambiguation needed] Muhammad, son of Abu Sa'id Junaidi. These two are the only remaining works from him today. His works on The History of Turkistani Lords, and his book On the Properties of Matter, both referenced elsewhere, do not exist anymore. A small fragment of his Madayih al-Sultan remains.