A little bunny bids goodnight to all the objects in his room before falling asleep. This fiftieth anniversary edition includes an illustrated essay about the author and how the book came to be written, illustrated, and published.

Illustrations and simple rhyming text describe how a child grows from ages one through six.

A little rabbit greets each day and says good night to the familiar things outside.

A little sailor stomps and dances.

As the day comes to a close, various animals and a small child wind down their activities and go to sleep.