Collins Big Cat is a reading program for primary school children, developed by HarperCollins Publishers. It provides a range of fiction and non-fiction books, designed to help children develop their reading skills. The books are carefully levelled, so that children can progress at their own pace. The program also includes a range of activities and resources to help teachers and parents support children’s reading. Collins Big Cat is used in over 20,000 schools in the UK and is trusted by teachers and parents to help children become confident and successful readers.