A fascinating biography of one of the world's greatest scientists and his mishaps and mistakes! TreeTops inFact is an exciting non-fiction series for children aged 711. Its range of subjects and careful levelling make it easy to select books that children will love.A fascinating biography of one of the world's greatest scientists and his mishaps and mistakes! TreeTops inFact is an exciting non-fiction series for children aged 711. Its range of subjects and careful levelling make it easy to select books that children will love.