Considered a pioneering writer on Islam and contemporary cultural issues, he has produced some fifty books over a period of 30 years, some with his long-time co-author Merryl Wyn Davies.
Sardar's contribution to critical scholarship ranges far and wide, but is particularly relevant in six areas: Islam, Islamic Science, Futures, Postmodernism and Transmodernity, identity and multiculturalism and Postnormal Times.