Foreword / by Harry W. Greene -- Preface -- Acknowledgments -- Identifying snakes -- The shape of a snake's head does not reveal the danger -- Are snakes with red on black truly a friend of Jack? -- What is the difference between a cottonmouth and a water moccasin? -- How can you tell a copperhead from a cottonmouth? -- Is this a black snake? -- Species profile: The ratsnakes -- Can you tell whether a snake is venomous by the way it swims? -- It is shaking its tail; is it a rattlesnake? -- Can you tell if a snake is venomous by the shape of its pupils? -- Snake myths and misconceptions -- Are baby snakes more dangerous than adults? -- Do snakes travel in pairs? -- Is it a bad year for snakes? -- Can you fall into a nest of cottonmouths? -- Should you worry about stepping into a cottonmouth breeding ball? -- Species profile: Gophersnake, Pituophis catenifer -- Will a cottonmouth drop into my boat? -- Can a rattlesnake's rattle tell you how old the snake is? -- Cottonmouths north of Virginia? I don't think so -- Are snakes aggressive? -- Are rattlesnakes rattling less because of hogs? -- Will cottonmouths chase and bite you? -- Understanding snakes -- How big do rattlesnakes get? -- Can snakes bite underwater? -- Is relocating a snake from my yard a death sentence? -- Why it doesn't make sense to kill snakes in your yard -- Species profile: Brownsnake, Storeria dekayi -- What's the most dangerous snake? -- Is this snake poisonous? -- Will it bite? -- What is a mating dance? -- Are snakes territorial? -- How can I keep snakes out of my yard? -- Closing remarks