This story takes place in the future when the Earth’s atmosphere has been destroyed and people are forced to live underground.

The main characters, Sam and her Dad, long  to leave the desolate Earth and start a new life on the planet, Callisto 4. There they aim to open a café, but everyone falls about laughing when they mention it. Sam wonders why this is.
 
The feature we enjoyed 
most in this book was the author’s description of food. It simply left your mouth watering every time!