Tafsil al-Shari'a Fi Sharh Tahrir al-Wasilah (Ijtihad & Taqlid). This book is a lengthy exposition on Imam Khomeini's book of Tahrirul Wasilah. This book includes brief descriptions in its preface on the situation of Iran before the Islamic revolution. The author then gives detailed explanations on Ijtihad and Taqlid and the necessary conditions which are attached with the two subjects including qualifications of a Mujtahid and ways of ascertaining his eligibility and adalat (being just).