Part 1. What is to come? -- Visions of Heaven and Hell -- Thinking about the Unthinkable -- Part 2. The Hazards of Evolutionary Engineering -- Physical Harm to Children -- Psychosocial Harm to Children -- Broader Consequences for Society -- The End of the Human Lineage -- Evolution by Nature or by Human Design? -- Part 3. Managing Risk in Evolutionary Engineering -- Protecting the Children -- Preserving Societal Cohesion -- Providing for our Descendents -- Safeguarding the Human Species -- Epilogue