A Michigan author has won this year's Sigurd F. Olson Nature Writing Award with his book about the Great Lakes. Jerry Dennis grew up near the lakes and spent six weeks traveling through them as a crewmember on a tall-masted schooner. He's written a book that's both a personal adventure and a biography of the waters, telling stories of the fisherman, biologists, and environmentalists whose lives revolve around them. The book is called "the Living Great Lakes: Searching for the Heart of the Inland Seas." Jerry Dennis joins us now from Interlochen Public Radio, near his home in Michigan, to talk about it.