Flight or Fright? explains that although people have always wanted to fly, the flying machines they built didn't always work! From flying boats to huge airships, find out about the history of flying machines. 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.