Bibliography

Iranian history

Axworthy, Michael, The Sword of Persia: Nader Shah, from Tribal Warrior to Conquering Tyrant, I.B. Tauris, 2009

Islamic history (general)

Hodgson, Marshall, The Venture of Islam, The University of Chicago Press, 1974
Rahman, Fazlur, Islam, The University of Chicago Press, 1966 (2nd edition 1979)

Zoroastrianism

Boyce, Mary, Zoroastrians: Their Religious Beliefs and Practices, Routledge, 2001
Kriwaczek, Paul, In Search of Zarathustra, Vintage Books, 2002