Collins Big Cat Collins Big Cat is a guided reading series for ages 4-11 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 ideas for guided reading are included at the back of each book. Pearl/Band 18 books offer fluent readers a complex, substantial text with challenging themes to facilitate sustained comprehension, bridging the gap between a reading programme and longer chapter books.