Colonisation Down to Earth

Harry Turtledove is the award-winning author of the alternate-history works The Man with the Iron Heart; The Guns of the South; How Few Remain (winner of the Sidewise Award for Best Novel); the Worldwar saga: In the Balance, Tilting the Balance, Upsetting the Balance, and Striking the Balance; the Colonization books: Second Contact, Down to Earth, and Aftershocks; the Great War epics: American Front, Walk in Hell, and Breakthroughs; the American Empire novels: Blood & Iron, The Center Cannot