In Tunisian literature , what percentage of books are published for children ?
Among the literary figures include Ali Douagi , who has produced more than 150 radio stories , over 500 poems and folk songs and nearly 15 plays , Khraief Bashir , an Arabic novelist who published many notable books in the 1930s and which caused a scandal because the dialogues were written in Tunisian dialect , and others such as Moncef Ghachem , Mohamed Salah Ben Mrad or Mahmoud Messaadi .