Bagh-o Bahar (The Tale of the Four Dervishes) is a collection of allegorical stories by Amir Khusro written in Persian in the early 13th century.Mir Amman was best known for his translation of Amir Khusro's classic epic "Qissa Chahar Dervish" (The Tale of the Four Dervishes) from Persian into Urdu.His translation is considered classic literature itself for its use of contemporary Urdu, and was performed on the request of Mr. John Borthwick Gilchrist, a famous English scholar of literature of those days.