Some of their books in this regard are...

Some of their books in this regard are: 'Manaqib al-Mahdi', 'Fourty traditions from Abu Na'eem Esfahani, 'Bayan-Fi-Akhbar-Saheb-uz-Zaman' from Abi Abdulla Ganji, 'Al-Burhan-Fima-Ja'a-Fi-Saheb-uz-Zaman' from Mulla Ali Muttaqi the author of Kanzul-Ummal, 'Akhbar-al-Mahdi' from Hamaad-ibn- Yaqub Raujani 'Arf-ul-Wardi-Fi-Akhbar Mahdi' and 'Alamaat al-Mahdi' both from Jalaluddin Suyuti and the book of 'Al-Qaul-ul-Mukhtasar-Fi-Alamaat Mahdi…