DK 
DK Super Readers Pre-Level Ocean Animals 

Use your reading superpowers to learn all about the creatures living in the oceans – a high-quality, fun, non-fiction reader – carefully levelled to help children progress.
Ocean Animals is a beautifully designed reader all about life in the ocean – from the baby sea turtle to the killer whale, from seahorses to sharks.
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 extraordinary animals and fish in our oceans.