'Advani went by the book, by files, by advice given by his babus. He may be well read and articulate and a pleasant conversationalist, but none of that makes for the kind of creative politician that Vajpayee was.' 'This is the kind of observation about the Vajpayee premiership, more than the promise of espionage or Kashmir gossip, that made writing A S Dulat's book a satisfying experience,' says Aditya Sinha.