I'm just re-reading this book and recommend it if you're interested in how our contryside came to look as it does. I have the original un-abridged version in paper back too but this version has wonderful photographs and illustrations. Highly recommended, a lovely, and very interesting book.
http://www.amazon.co.uk/Illustrated-History-Countryside-Oliver-Rackham/dp/0297843354
http://www.amazon.co.uk/Illustrated-History-Countryside-Oliver-Rackham/dp/0297843354