Ibn-e-Attash (ابن عطاش)

Ibn e Attash by Idris Azad (or Idrees Azad (ادریس آزاد)) is great historical novel. It is not just a novel, it's like a thesis indeed, because Idris Azad has made a very good discussions among novel's characters on different relevant topics. This novel is based on the theme of Ismail-ism.