The Dragons of Eden: Speculations on the Evolution of Human IntelligenceCarl SaganPocket, 19865,0 utav 5 stjärnor. Totalt antal röster:(1)132 kr
Billions & Billions: Thoughts on Life and Death at the Brink of the MillenniumCarl SaganHäftad, 19985,0 utav 5 stjärnor. Totalt antal röster:(2)251 kr
Murmurs of EarthLinda Salzman Sagan, Jon Lomberg, Timothy Ferris, Ann Druyan, F. D. Drake, Carl Sagan Ljudbok2017497 kr
