Cosmos
Published 1980.ISBN-13: 978-0345539434
Pale Blue Dot: A Vision of the Human Future in Space
Published 1994.ISBN-13: 978-0345376596
Contact
Published 1985.ISBN-13: 978-0671004101
Who – or what – is out there?
In Cosmos, Carl Sagan explained the universe.
In Contact, he predicts its future – and our own.