Book excerpt: A charming and captivating exploration of the science of light. Where does light come from? How does it work? What is it made of? A girl and her cat find answers to these questions on a summertime journey of scientific discovery. The pair identify loads of examples of light, while exploring many fascinating topics: natural and artificial light; uses of light; opaque, translucent and transparent objects; absorbed, reflected and refracted light; and how the eye sees light. It’s a gentle yet comprehensive introduction to light and all its mysteries. From stars in the sky to fireworks over a lake, our inquisitive guides shine a light on … light!