Old Man’s Warが好きなら

John Scalzi channels Robert Heinlein (including a wry sense of humor) in a novel about a future Earth engaged in an interstellar war against more advanced species. Citizens volunteer for the Colonial Defense Forces after retirement, in exchange for which they have their consciousness transferred into a young body, cloned from their DNA but enhanced. If, against the odds, they survive two years of combat (or 10 years …