Collins Big Cat is a guided reading series for ages 4–7 edited by Cliff Moon. Top children’s authors and illustrators have created fiction and non-fiction books that your children will love to read, banded to help you choose the right book for every child. Practical teaching notes are included at the back of each book. Find out about real robots and what they do in this non-fiction book. Blue (Band 4) non-fiction books use children’s language patterns to give information which is supported by the illustrations and design.