The illustrated book provides interesting glimpses of some of the lesser known, as well as the better known edifices, of Delhi. They include the World Heritage sites, as declared by the UNESCO. Many of these remains are often spoken of as collectively constituting the "Seven Cities".The book also contains a wealth of information on historical relics, dating back to the Mauryas, the Guptas, the Rajputs, the Sultanate, the Mughal and the Colonial periods.