About Tomb of Fazl ibn Shazan
Fazl ibn Shazan was one of the fellows of Imam Reza (PBUH). He has written 180 books on defending the Shia' privacy one of which is the book of "al-Ghaybah" about Imam Zaman (PBUH). Tomb of Fazl ibn Shazan is located in Nishapur next to Behesht-e Fazl. Behesht-e Fazl is the major cemetery of Nishapur that is called after being adjacent to tomb of Fazl ibn Shazan.