This pack contains one copy each of the following titles: PM Gold: Making and Using a Rain Gauge (PM Non-fiction) Level 21 PM Gold: Outdoor Adventure Parks (PM Non-fiction) Level 21 PM Gold: Olympic Cycling (PM Non-fiction) Level 21 PM Gold: All About Salt (PM Non-fiction) Level 22 PM Gold: The Grand Canyon (PM Non-fiction) Level 22 PM Gold: Megafauna (PM Non-fiction) Level 22 Gold level titles introduce children to more complex sentences with an average length of 10 words and help to develop reading strategies such as breaking long words down into syllables. PM Non-fiction books are carefully researched, presenting factual information accompanied by superb photography and realistic illustrations to engage young readers.