Have you ever wondered what life is like hundreds of metres below the surface of the Earth? There is no sunlight here, no green plants, and no birds. Descend to the Dark Zones to learn all about the world of caves. You’ll need special equipment, including a helmet with a light, and some experienced companions to join you! Sapphire level titles provide a selection of stories and non-fiction titles chosen for their range of content, narrative and points of view. This level encourages readers to form opinions and discuss their own reading tastes. PM Non-fiction books are carefully researched, presenting factual information accompanied by superb photography and realistic illustrations to engage young readers. #pm19-offer