This is a highly popular and long-running series that explores the questions that young readers ask about the world around them in an unrivalled child-friendly style. The conversational format is perfect for delivering solid information in a natural, amusing and imaginative way.I Wonder Why There's A Hole In The Sky takes a look at our environment, how we are damaging it, and what we can do to save it. It answers all the relevant questions about the state of the planet, covering important topics such as pollution, global warming, endangered animals, climate change and extreme weather. It is a perfect introduction to 'green' issues for young readers.