She started thinking about all the euphemisms for death, all the anxious taboos that had always fascinated her. It was too bad you could never have an intelligent discussion on the subject. People were either too young or too old, or else they didn't have time.

In Comet in Moominland a comet nearly destroys the Moominvalley (some critics have considered this an allegory of nuclear weapons). R. The production was a success and later performances were held in Sweden and Norway.

She is best known as the author of the Moomin books for children though her novels and short stories for adults have found a wider audience.