DK 
DK Super Readers Pre-Level What Starts in an Egg? 

Use your reading superpowers to learn all about all kinds of eggs and the babies that call them home – a high-quality, fun, non-fiction reader – carefully levelled to help children progress.
What Starts in an Egg? is a beautifully designed reader all about eggs – from tiny ladybird eggs to giant ostrich eggs, from the colourful to the camouflaged, and all sorts in between.
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 what surprises eggs have in store for them!