Dr. Carl Sagan takes us on a great reading adventure, offering his vivid and startling insights into the brains of humans and beasts, the origin of human intelligence, the function of our most haunting legends, and their amazing links to recent discoveries.

Explore topics such as:

• The pain of human childbirth
• The reason for sleeping and dreaming
• Chimpanzees communicating in sign language
• The definition of death and cloning
• Computers and intelligent life on other planets

In some lost Eden where dragons ruled, the foundations of our intelligence were laid. Carl Sagan takes us on a guided tour of that lost land, making this book a fascinating, entertaining, and masterful read.