Amazon.com description: Product Description: The best-selling I Wonder Why series has always been the perfect place for children to find the answers to their questions. With their quirky style and informative text, these books are great for gripping the imagination and for developing reading skills. Designed to amuse and intrigue the young reader, I Wonder Why Pine Trees Have Needles and Other Questions About Forests answers all sorts of fascinating questions that children ask about forests and woodlands, from tropical rainforests and unusual forests to forest animals such as hummingbirds, spider monkeys, woodpeckers and koalas. It also explains why forests help us to breathe, and looks at what can be done to save forests from danger. Illustrated with stunning, high-quality artwork, a wealth of information is backed up with fun facts and lively cartoons.