Build your child’s reading confidence at home with books at the right level What is light and how does it work?Did you know it was the fastest thing in the universe?Learn about the different properties of light and the importance of the sun, as well as the potential for using light in the future. Diamond/Band 17 books offer more complex, underlying themes to give opportunities for children to understand causes and points of view. Text type: an information bookCurriculum links: science