Guy Edwardes / Path towards the coastguard cottages and the Seven Sisters Chalk Cliffs. Seaford Head Nature Reserve, East Sussex, UK, May 2009. *NOT AVAILABLE FOR BOOK COVER USE IN GERMANY, AUSTRIA AND SWITZERLAND U...

Doug Perrine / Bioluminescence from glowing plankton in sea tide line on beach, with stars above and ship lights on horizon, Vaadhoo Island, Raa Atoll, Maldives, Indian Ocean, October 2010

Merryn Thomas / View across Oxwich Bay on the Gower Peninsula, South Glamorgan, Wales, January 2012.

Nick Turner / Walkers on the South West Coast Path National Trail near Durdle Door, Dorset, UK, May 2009.

Andy Rouse / Walrus (Odobenbus rosmarus) colony discharging gas on beach. Svalbard, Norway, August 2011.

Robert Thompson / Tranarossan Bay, near Melmore Head, Rosguill Peninsula, County Donegal, Republic of Ireland, August 2011

Robert Thompson / Lighthouse on Fanad Head at sunset, County Donegal, Republic of Ireland, UK, August 2011

Ernie Janes / Ponta de Sao Lourenco Nature Reserve, Madeira

Andy Rouse / Silhouette of Grizzly bear (Ursus arctos horribilis) walking along beach, Katmai NP, Alaska, USA, August

Ernie Janes / Ox-eye daises / marguerite (Leucanthemum vulgare) flowering on headland margin of Barley field, farmland, UK

Lassi Rautiainen / Northern lights in moonlit sky, northern Finland, March 2009

Juergen Freund / Aerial view of Green Island, Palawan, Philippines, April 2010, a tiny island fully inhabited with thousands of people