This pack contains six copies of the following titles: PM Silver: Arctic Wolves (PM Non-fiction) Level 23 PM Silver: Polar Bears (PM Non-fiction) Level 23 PM Silver: Reindeer of the Arctic (PM Non-fiction) Level 23 PM Silver: Whales (PM Non-fiction) Level 24 PM Silver: Penguins of Antarctica (PM Non-fiction) Level 24 PM Silver: Seals of Antarctica (PM Non-fiction) Level 24 Silver level titles (equivalent to the White bridging book band) use sentences with two or three clauses and the length of the texts extends to around 1000 words to help build reading stamina. Real-life problems are also introduced to encourage empathy. PM Non-fiction books are carefully researched, presenting factual information accompanied by superb photography and realistic illustrations to engage young readers.