In the past two decades, scholars have transformed our understanding of the interactions between India and the West since the consolidation of British power on the subcontinent around 1800. While acknowledging the merits of this scholarship, Sheldon Pollock argues that knowing how colonialism changed South Asian cultures, particularly how Western modes of thought became dominant, requires knowing what was there to be changed. Yet little is known about the history of knowledge and imagination in late precolonial South Asia, about what systematic forms of thought existed, how they worked, or...