Big machines capture the imagination of many children. Interesting facts in this text about rail transport (both past and present) will encourage prediction about what these machines may be like in the future. Other text forms include explanation and letter writing (exposition). Turquoise level titles develop children’s understanding of topics with clusters of books on related subjects. High-interest themes such as danger, courage, kindness, bullying and anger are introduced. PM Non-fiction books are carefully researched, presenting factual information accompanied by superb photography and realistic illustrations to engage young readers. #pm19-offer