"Al-Ghazali: the Alchemist of Happiness," a film directed by Ovidio Salazar
Al-Ghazālī’s intellectual autobiography al-Munqidh min aḍ-ḍalāl is available in two English translations:
Al-Ghazālī, Al-Ghazali’s Path to Sufism: His Deliverance from Error (al-Munqidh min al-Dalal) and Five Key Texts, Translated and Annotated by R.J. McCarthy, Fons Vitae, Louisville 1999
Al-Ghazālī, Deliverance from Error, Translated by M. Abūlaylah & G. McLean, Washington, DC 2001, also available on http://www.crvp.org/book/Series02/IIA-2/IIA-02.htm
On Islamic Mysticism, we recommend following introduction:
Alexander Knysh, Islamic Mysticism: A Short History, Leiden 2000.
On Islamic philosophy:
Majid Fakhry, History of Islamic Philosophy, New York 1970.
Oliver Leaman, Medieval Islamic Philosophy, Cambridge 1985.
W. Montgomery Watt, Islamic Philosophy and Theology, Edinburgh 1985.
Studies on al-Ghazālī:
Frank Griffel, Al-Ghazālī’s Philosophical Theology, Oxford: Oxford University Press, 2009.
Eric Ormsby, Ghazali: The Revival of Islam, Oxford 2008.
W. Montgomery Watt, Muslim Intellectual: A Study of Al-Ghazālī, Edinburgh 1963.
W. Montgomery Watt, The faith and practice of al-Ghazālī, Oxford 1994.