این کتاب ترجمه ی یک رساله ی دانشگاهی است:
Dr.A.Sachedina & Dr.J.Hussain /The Occutation & Mahdi,ism In the Imamite,Shiite Doctrine.(The Doctrine of Mahdi ism in Twelver shi ism as presented by Two contemporary Muslim Scholars )Dpartment of Religious studies .university of Virginia. May 1983 .U.S.A.Translation & Reviewe with an Long Introduction by : Dr.M.R.Eftekharzadeh