The fruit of the successor, the fruit of the envelope, or the message of Marzan (in Persian: Marzbana) is a book in the Tiberias of the fourth century AH, written by Marzban bin Rustam al -Farimi. There is no copy of the original language for the book, Merzan. There are translations into Persian, Turkish and Arabic. Shihab al -Din Ibn Arabshah translated this book into the Arabic language and called it the fruit of the successor and the fruit of the envelope. It includes stories and tales that took place on the tongues of monsters, birds and jinn, from which it is intended to show wisdom or a specific significance.