Book excerpt: Maggie Aderin-Pocock is one of the UK's leading space scientists. Find out how Maggie was inspired by TV, struggled at school and followed her dreams, in this fascinating biography Maggie Aderin-Pocock: Space Scientist. TreeTops 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.