Ben Bova
1) The Hittite
2) Mars
When Keith Stoner awoke, he found himself in a world changed almost beyond recognition. Eighteen years before, Stoner had been the American member of a joint US–Soviet mission to capture an alien ship. The Soviets had to pull out, but Stoner persisted, and while on the strange ship, he fell into suspended animation.
Jo Camerata, the ambitious young student who fell in love with Stoner, is now head of Vanguard Industries, which has recovered
...7) Voyagers
Ex-astronaut turned physicist Keith Stoner knew that the fiery object hurtling toward the Earth was an alien spacecraft—but the world might never know. He was trapped in an iron cordon of secrecy, for the discovery had set off a brutal power struggle among the elite, raging from the sacred halls of the Vatican to the corridors of the Kremlin and the Pentagon. Each nation wanted to be the first to contact the aliens, to learn their superior
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