Discussing the book "Contact" (published by Simon & Schuster) with the author, astronomer and science writer Carl Sagan. Starts with clip from Arthur C. Clarke (1856688-3-1).

Evolution and the future of the human race are among topics in Carl Sagan's and Ann Druyan's book, "Shadows of Forgotten Ancestors: A Search for Who We Are." Included is an excerpt of the astronomer Harlow Shapley speaking at the beginning. Carl Sagan also reads an excerpt from the book at the end.