THERE AREN'T TOO MANY HISTORIANS who write such a fine first book that the recovery time needed to write the second is twenty-five or more years. Harjot Oberoi's The Construction of Religious Boundaries (1993), won the Best First Book Prize of the American Academy of Religion and the Killam Prize, the highest research prize of the University of British Columbia. His book was widely recognised as pathbreaking for Sikh Studies in the way that, a generation earlier, Hew McLeod's pioneering work had been. Thereafter, however, Oberoi was (as is well known) besieged by problems: the orthodox did not merely disagree with the argument of his book -- that modern Sikhism had been constructed from a fluid variety of identities in the Punjab region by the Khalsa Panth over a relatively short period in the eighteenth century -- they also threatened to silence him for marshalling the evidence for such an argument. And they sought actively to terminate his professorship at the Universit...