Big machines capture the imagination of many children. Interesting facts in this text about rail transport (both past & present) will encourage prediction about what these machines may be like in the future. Other text forms include explanation & 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 & anger are introduced. PM Non-fiction books are carefully researched, presenting factual information accompanied by superb photography & realistic illustrations to engage young readers. pm 19-offer