Space Cat is written for children ages eight and up, but adults will appreciate the story as well. There are seven chapters in which the characters - Emma, her cousin, Riley, and Space Cat, Star - travel to the moon, Venus, Mercury, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. Along the way, they learn about each planet, how the solar system is structured, and how it operates. The scientific descriptions are provided in language children can easily understand. In addition to the scientific information, each chapter brings an adventure for the children that makes the trip more exciting and interesting. Space Cat is a fun way for children and adults to learn the basic science about our solar system.