This book called "Giants in the sky". It is based on a lyric by Stephen Sondheim.
The story said: Have a little boy and his name is Jack. One day, he knew there are giants in the sky and he's way up high. They give him food and rest. He's free, do whatever he want.
"There are Giants in the sky!
There are big tall terrible awesome scary wonderful
Giants in the sky!"
There are big tall terrible awesome scary wonderful
Giants in the sky!"
Front cover
Back cover