People have given me classified information, but always with the disclaimer 'This can never end up in a book.' And it never does.
The Confederations Cup is interesting. It served Spain very well to take part and then go on to win the 2010 World Cup. We knew the stadiums, the atmosphere, the conditions and also the difficulties of a tournament which simulated the World Cup format.
When I write I simply follow my heart. And my flights of fantasy. It is not done with a conscious effort. I'm continually inspired and write reflexively.