DK 
DK Super Readers Pre-Level Sun and Moon 

Use your reading superpowers to learn all about the Sun and Moon — a high-quality, fun, non-fiction reader — carefully levelled to help children progress.
Sun and Moon is a beautifully designed reader to inspire an interest in space.
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 Sun and the Moon they can see in the sky.