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 Copper/Band 12 books provide more complex plots and longer chapters that develop reading stamina. Ideas for guided reading at the back of the book provide practical support and stimulating activities.