About the book
Scientists confront threats to Earth through a sequence of ambitious interplanetary adventures.
LibriVox recording; public domain in the United States.
Recorded by LibriVox volunteers. Audio hosted by the Internet Archive. Original recording and credits.
Listen chapter by chapter
- Introduction · 7 minutes
- Book 1, prologue · 13 minutes
- Book 1, chapt 1 · 16 minutes
- Book 1, chapt 2 · 31 minutes
- Book 1, chapt 3 · 26 minutes
- Book 1, chapt 4 · 32 minutes
- Book 2, chapt 1 · 10 minutes
- Book 2, chapt 2 · 11 minutes
- Book 2, chapt 3 · 16 minutes
- Book 2, chapt 4 · 16 minutes
- Book 2, chapt 5 · 43 minutes
- Book 2, chapt 6 · 27 minutes
- Book 2, chapt 7 · 17 minutes
- Book 2, Chapt 8 · 16 minutes
- Book 3, prologue · 37 minutes
- Book 3, chapt 1 · 19 minutes
- Book 3, chapt 2 · 23 minutes
- Book 3, chapt 3 · 28 minutes
- Book 3, chapt 4 · 15 minutes
- Book 3, chapt 5 · 17 minutes
- Book 3, chapt 6 · 25 minutes
- Epilogue · 3 minutes