What is a tree? As this celebration of the trees shows, they are our countryside; our ancestors descended from them; and they gave us air to breathe. The author... » 

What is a tree? As this celebration of the trees shows, they are our countryside; our ancestors descended from them; and they gave us air to breathe. The author travels from his back garden round the world to explore the beauty, variety and ingenuity of trees: from how they live so long to how they talk to each other, and why they came to exist. «