India, Nov. 3 -- Something suspicious is going on aboard a train coach on the Delhi Metro Violet Line, just as it leaves the JLN Stadium station. Almost everybody has a mobile out. So far, so normal. But this man is holding a book. An open book! He stands amid a crush of shirts and pants, his Ho Chi Minh beard lowered towards the bulky hardbound of Akshaya Mukul 's "Writer, Rebel, Soldier, Lover: The Many Lives of Agyeya." Truth be told, Delhi Metro commuters are dedicated readers. But of mobile screens. A paper book remains a rare sighting. Here is an abridged anthology of such rare sightings, gathered over many journeys. One sighting, on the Blue Line: a bespectacled young man is reading George Orwell's "1984." An enormous eye stares from...