One Yellow Daffodil' is both a look to the past and to the future and expresses my belief in the great spirit and strength of our children.

I write about people I think are interesting, and then I discuss it with my editor, and she decides if she thinks it will be interesting to children as well. If I have no great interest in the subject, I find the work to be terribly boring. And if I find the person interesting, I love the research part and, by extension, the writing as well.

I love to write. I used to be a math teacher. And I like the idea that other people could write about the same subjects, but no one would write it just the way I do. It's very individual: a child could write the same story as somebody else, but it wouldn't come out the same.

My first biography was 'Our Golda: The Life of Golda Meir.' To research that book, I bought a 1905 set of encyclopedias. Those books told me what each of the places Golda Meir lived in were like when she lived there.

Golf is about knowledge, and studying another player - more than listening to a teacher - is the best way to get it.

Infrastructure alone won't end poverty. The World Bank had to learn this lesson, too. While we believed too much in bricks and mortar in our early days, we now understand that bringing together funding, technical expertise, and tested knowledge goes much further.

There are over 200 million illiterate women in India. This low literacy negatively impacts not just their lives but also their families' and the country's economic development. A girl's lack of education also has a negative impact on the health and well-being of her children.

Girls' education is a human right. And along with its fundamental justice, it promises so much for the individual, for her family, for society, for all of us.