In "Toponymy of Nagaon District", the author provides a scientific, lucid and nuanced study of the place names of Nagaon District of Assam.The book shows how place names could lead one to extract historical information about a particular area or region. Reconstruction of the social past of any community is not possible without knowing the origination of the name of a particular area/village/habitat. It is also part of the historical memory of the community.