Susan Cooper's poem "The Shortest Day," celebrating the winter solstice, is also a children's book illustrated by Carson Ellis. They collaborated by mail.

On the other hand, Aram Saroyan’s poem that consists of just one word — and that too spelt incorrectly — was touted as the world’s shortest poem. It read: “lighght”.

For NPR's series "Picture This," illustrator Carson Ellis talks about working with author Susan Cooper to make Cooper's poem "Shortest Day" into a children's book. (This story first aired on ...

Susan Cooper's poem "The Shortest Day," celebrating the winter solstice, is also a children's book illustrated by Carson Ellis. They collaborated by mail.

For NPR's series "Picture This," illustrator Carson Ellis talks about working with author Susan Cooper to make Cooper's poem "Shortest Day" into a children's book. (This story first aired on ...

Susan Cooper's poem "The Shortest Day," celebrating the winter solstice, is also a children's book illustrated by Carson Ellis. They collaborated by mail.

For NPR's series "Picture This," illustrator Carson Ellis talks about working with author Susan Cooper to make Cooper's poem "Shortest Day" into a children's book. (This story first aired on ...

For NPR's series "Picture This," illustrator Carson Ellis talks about working with author Susan Cooper to make Cooper's poem "Shortest Day" into a children's book. (This story first aired on ...