Thomas Heatherwick: Designer is an inspiring biography of one of the UK's greatest living designers, whose work includes the 2012 Olympic cauldron. 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.