- 1Dedication — Preface
- 2I — Introduction
- 3II — Immeasurable Distances of Space
- 4III — Other Worlds Inhabited
- 5IV — Lowell’s Book on Mars
- 6V — Testimony of Astronomers
- 7VI — The Study of Planetary Markings
- 8VII — Difficulties of Seeing
- 9VIII — Variation in Drawing
- 10IX — Theories Regarding the Canals
- 11X — Comments and Criticism
- 12XI — Atmosphere and Moisture
- 13XII — Notes on Irrigation
- 14XIII — Variety of Conditions Under Which Life Exists
- 15XIV — My Own Work
- 16XV — What the Martians Might Say of Us
- 17XVI — Schiaparelli, Lowell, Perrotin, Thollon
- 18XVII — Last Words
Mars and Its Mystery
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