DK 
DK Super Readers Level 4 Extreme Machines 

Use your reading superpowers to learn all about machines that go to extremes — a high-quality, fun, non-fiction reader — carefully levelled to help children progress.
Extreme Machines is a beautifully designed reader about all kinds of incredible machines that can go fast, deep into the ocean and high into the skies and even into 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 incredible machines and the work they do.