Includes bibliographical references (pages 179-182) and index.
1. Unbreak my heart -- 2. I'm gonna live forever -- 3. Dividing the indivisible -- 4. All the world's a time machine -- 5. Tales from the fifth dimension -- 6. The holes in the sky -- 7. Looking-glass universe -- 8. The universe next door -- 9. Was the universe created by angels? -- 10. The worlds between the stars -- 11. The life plague -- 12. Alien garbage