The unique contract is a book written by Ibn Abd Rabbo Al -Andalusi, which is considered one of the mothers of the book of Arabic literature. The book includes a number of news, proverbs, wisdom, sermons, poems, and others. It was called the "contract" because Ibn Abd Rabbo divided it into chapters or books that carried each of them the name of a generous stone, such as Zabarjeda, Al -Mugrouna, Ru...