Reaches trilogy by David Drake

  First novel : "Four-Day Planet" . . . where the killing heat of a thousand-hour "day" drives men underground, and the glorious hundred-hour sunset is followed by a thousand-hour night so cold that only an Extreme Environment Suit can Read more

The Swordsman of Mars In "Swordsman of Mars," Harry Thorne, outcast scion of a wealthy East Coast family, seeks the greatest adventure of his life. He exchanges bodies with his look-alike, Martian Sheb Takkor, and is transported millions of years Read more