Offers a look at some of the greatest journeys ever made - starting with human beings' first great journey 150,000 years ago: leaving Africa. This title includes the fiction story "The Big Sleep" that tells of a man who spends a hundred years asleep in space, on the greatest journey ever.

Offers a look at some of the greatest journeys ever made - starting with human beings' first great journey 150,000 years ago: leaving Africa. This title includes the fiction story "The Big Sleep" that tells of a man who spends a hundred years asleep in space, on the greatest journey ever.