Paul Sterry is a bestselling wildlife author and photographer whose many books include The Biodiversity Gardener (Princeton), Collins BTO Guide to British Birds and Complete British Wild Flowers. Andrew Cleave is a highly regarded educator and environmentalist whose many books include A Naturalist’s Guide to the Trees of Britain and Northern Europe and Field Guide to Coastal Wildflowers of Britain, Ireland and Northwest Europe (Princeton) and Collins Complete Guide to British Coastal Wildlife (both with Paul Sterry).