Here is the central volume in Bova's epic tour of the solar system, now available on audio for the first time. Late in the 21st century, the son of a tyrannical tycoon accepts the ultimate challenge: a race to Venus to recover the remains of his older brother who perished in the first attempt by man to land on the planet. From the author who will have "the greatest effect on the scientific world and the world as a whole." — Ray Bradbury