How do trees use their leaves to make food? Why do they grow flowers and fruit? Which animals live inside a tree trunk and build nests in its branches? How can we help to protect trees? This book has all the answers and much more, along with photographs, step-by-step illustrations, simple text and links to websites with video clips and activities. Chapters in this book include:- A leafy world- Standing tall- Growing strong- Food factories- Types of trees- Changing seasons- Fancy flowers- Tasty treats- Hanging on- Tree houses- Tough trees- Crawling with life- Trees in trouble- Protecting trees