Book excerpt: Story of the Delhi Iron Pillar traces the history of the pillar located in the Qutub Complex and describes its structure in detail. It unravels the mystery behind the resistance of the pillar to corrosion for more than sixteen centuries. It also discusses the amazing process by which the pillar was manufactured using the technical know-how available at the time. the book is primarily aimed at general readers and tourists, with a view to igniting their interest in this metallurgical wonder of ancient India. Written in simple language and a lucid style, it carries numerous photographs and elaborate figures to enhance the discussion.