National Geographic photographer Brian Skerry describes one of his scariest adventures -- swimming at night with hundreds of gigantic Humboldt squid. With his new book from National Geographic, Ocean Soul, Brian showcases his stunning photography and describes his adventurous life in a gripping portrait of the ocean.

National Geographic photographer Brian Skerry describes one of his scariest adventures -- swimming at night with hundreds of gigantic Humboldt squid. With his new book from National Geographic, Ocean Soul, Brian showcases his stunning photography and describes his adventurous life in a gripping portrait of the ocean as a place of beauty and mystery, a place in trouble, and ultimately, a place of hope that will rebound with the proper attention and care.