Chapters in this book

1. Frontmatter i
2. Contents v
3. Chapter 1. Why Mars Matters 1
4. Chapter 2. Martians? 12
5. Chapter 3. Mars and Earth as Twins 35
6. Chapter 4. Imaginary Mars 46
7. Chapter 5. Misty Mars 55
8. Chapter 6. Red Vegetation and Reasoning Beings 70
9. Chapter 7. Water on Mars: The Real Deal 77
10. Chapter 8. Canal Builders 89
11. Chapter 9. Chlorophyll, Lichens, and Algae 117
12. Chapter 10. Vikings on the Plains of Chryse and Utopia 147
13. Chapter 11. Hot Potato 161
14. Chapter 12. Methane and Mars 186
15. Chapter 13. Digging in the Noise 206
16. Chapter 14. Here Today, Gone Tomorrow 221
17. Chapter 15. Sniffing Martian Air with Curiosity 242
18. Chapter 16. Chasing Martians 261
19. Afterword 271
20. Acknowledgments 285
21. Appendix. Life on Mars Astronomers and Scientists 287
22. Notes 297
23. Glossary 309
24. Index 313