>http://www.sciam.com/1999/0999issue/0999reviews1.html
>
> Review by Philip Morrison
>
> Carl Sagan: A Life
> BY KEAY DAVIDSON
> John Wiley & Sons, 1999 ($30)
>
>
> Carl Sagan: A Life in the Cosmos
> BY WILLIAM POUNDSTONE
> Henry Holt and Company, 1999 ($30)
>