...now and then a giggling trail of mermaids appeared in our wake. We fed them oatmeal.

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.