The dream of a fourth seacoast : building the St. Lawrence seaway -- Three fish : the story of lake trout, sea lampreys and alewives -- Farming the lakes : the introduction of coho and chinook salmon -- Noxious cargo : the invasion of zebra and quagga mussels -- Continental undivide : Asian carp and Chicago's backwards river -- Conquering a continent : the mussel infestation of the west -- America's dead sea : toxic algae and the Toledo water crisis -- Plugging the drain : the never-ending threat to siphon away great lakes water -- A shaky balancing act : climate change and the fall and rise of the lakes -- A Great Lake revival : charting a course toward integrity, stability and balance.