Most of her books involve a family of children of all ages, who are thrust into a difficult situation, have adventures together, and need to take responsibility for themselves. Some of her books, like ''The Five Children and It,'' are fantasies; others, like ''The Wouldbegoods'' and ''The Railway Children,'' are realistic novels. | Most of her books involve a family of children of all ages, who are thrust into a difficult situation, have adventures together, and need to take responsibility for themselves. Some of her books, like ''The Five Children and It,'' are fantasies; others, like ''The Wouldbegoods'' and ''The Railway Children,'' are realistic novels. |