Carl Sagan
14 titles on Bookis
Kosmos
The demon-haunted world
Kontakt
Kosmos
Paradisets drager
Pale Blue Dot: a Vision of the Human Future in Space
Speculations on the Evolution of Human Intelligence
Billions and Billions: Thoughts on Life and Death at the Brink of the Millennium
THE DRAGONS OF EDEN
Demon-haunted world
Billions and billions
Comet
The varieties of scientific experience
El mundo y sus demonios
