>Paul Nicklen's newest coffee table book is available Nov. 10, published by National Geographic and available at bookstores and online. For more details on the book, visit http://www.nationalgeographic.com/books.
>Left: Drifting pack ice enables this walrus to remain above clam beds.
>A leopard seal bares teeth in a threat display designed to scare Nicklen away from her food, a hapless penguin.
>A bowhead whale, Balaena mysticetus, rises to the surface to rest after feeding.
>In a unique over/under shot, Nicklen captures a leopard seal with polar ice looming ominously in the background.
>© Alert Diver — Fall 2009