Race, Science and Medicine, 1700–1960. Routledge, New York, 1999. (Edited with Bernard Harris) ISBN0415181526
Plural Medicine, Tradition and modernity, 1800–2000. Routledge, London, 2002. (Editor)[2]ISBN0415231221
Histories of the Normal and the Abnormal: Social and cultural histories of norms and normativity. Routledge, London, 2006. ISBN9780415368438
Mad Tales from the Raj: Colonial Psychiatry in South Asia, 1800-58. Anthem Press, London, 2010. (Anthem South Asian Studies) ISBN978-1843318682
Colonialism and Transnational Psychiatry: The Development of an Indian Mental Hospital in British India, c. 1925 – 1940. Anthem Press, London, 2013.[3][4]ISBN978 0 85728 019 0