Sydney in the 1960s wasn't the exuberant multicultural metropolis it is today. Out in the city's western reaches, days passed in a sun-struck stupor. In the evenings, families gathered on their verandas waiting for the 'southerly buster' - the thunderstorm that would break the heat and leave the air cool enough to allow sleep.

And one of the things that I learned was you can't generalise at all about a woman in a veil. You can't think you know her story, because she will confound you over and over again. She may be an engineer or a diplomat or a doctor. Or she may be an unbelievable babe with bleached hair down to her waist.

September 11, 2001, revealed heroism in ordinary people who might have gone through their lives never called upon to demonstrate the extent of their courage.

It is natural to want to forget, Anna, when everyday is a brimful of sadness. But those souls also forgot those that they had loved. You do not want that, surely? I have heard some preach that God wants us to forget the dead, but I cannot believe so. I think He gives us precious recollections so that we may not be parted entirely from those He has given us to love. You must cherish your memories of your babes, Anna, until you see them again in Heaven.

Sydney in the 1960s wasn't the exuberant multicultural metropolis it is today. Out in the city's western reaches, days passed in a sun-struck stupor. In the evenings, families gathered on their verandas waiting for the 'southerly buster' - the thunderstorm that would break the heat and leave the air cool enough to allow sleep.

When you're writing non-fiction, you go as far as you can go, and then ethically you have to stop. You can't go. You can't suppose. You can't imagine. And I think there's something in human nature that wants to finish the story.

I am not part of that earlier Australian generation who set off on a deliberate search for fame and fortune in distant lands. My generation was the first that didn't need to. By the 1980's when I left home, our culture had grown deep enough and wide enough to encompass all but the most rarefied of ambitions.