DK 
DK Super Readers Level 4 Starry Sky 

Use your reading superpowers to learn all about the stars — a high-quality, fun, non-fiction reader — carefully levelled to help children progress.
Starry Sky is a beautifully designed reader that takes you on a journey into the night sky, to discover what stars are, the patterns they form known as constellations, stories about them through the ages and the latest astronomy technology.
The engaging text has been carefully levelled using Lexiles so that children are set up to succeed.
A motivating introduction to using essential non-fiction reading skills.
Children will love to find out about the stories and science of the night sky.