Billions & Billions
By Carl Sagan
Genres: history, philosophy, science
Recordings
Narrated by Adenrele Ojo, Ann Druyan
- Runtime: 9 h 42 min
- Publisher: Brilliance Audio
- Released: 2017
- ASIN (us): B0722DBRB2
- 21 chapters
By Carl Sagan
Genres: history, philosophy, science