Introduction : An Overview of Prohibited Elements -- The Contract of Sale (Bay' ) -- Types and Classifications of Sales -- The Contracts of Employment and Lease (Ijarah) -- The Contract of Agency (Wakalah) -- The Contract of Loan (al-Qard ) -- The Contract of Safekeeping (al-Wadi'ah) -- Partnership (al-Sharikat) -- Silent Partnership (Mudarabah/Qirad ) -- Pledge, Mortgage, or Pawn (al-Rahn) -- Guarantee (al-Kafalah) -- Transfer of Debt (al-Hawalah) -- The Contracts of Absolution (al-Ibra) and Set-Off (al-Muqassah).