Why are big ears helpful in the desert? How can sticky fingers be handy in the rainforest? In Big Ears and Sticky Fingers, meet some cool creatures in their habitats and see how they survive. Oxford Reading Tree inFact is a non-fiction series that aims to engage children in reading for pleasure as powerfully as fiction does. The variety of topics means there are books to interest every child in this compelling series. The series is written by top children's authors and subject experts. The books are carefully levelled, making it easy to match every child to the right book.