Central Kansas Library System

An adventurous geology professor mounts an expedition that descends into a subterranean world of luminous rocks, antediluvian forests, and fantastic marine life -- a living past that holds the secrets to the origins of human existence.

After hundreds of lonely years, a waste management robot finds a new purpose in life. With only a cockroach for a friend, he finds true love in another robot sent on a mission to Earth to see if it is safe for human life.