1. Time Travel in the Pulps
2. Special Relativity and Time Travel to the Future
3. Time Travel to the Past
5. Time as the Fourth Dimension
6. The Black Universe
7. When General Relativity Made Time Travel Honest...
8. Paradoxes: Changing the Past, Causal Loops, and Sex
9. Time Machines that Physicists Have Already 'Invented'
10. Faster-Than-Light (FTL) Into the Past
11. Quantum Gravity, Splitting Universes, and Time Machines
12. Reading the Physics Literature for Story Ideas
Glossary of Selected Terms
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