Eric asked this question about Old Man's War (Old Man's War, #1):
How much like Joe Haldeman's The Forever War is this book? The plot summary makes it sound VERY similar....
Charles I would say that Forever War is more a "Hard" science-fiction, building from the concept of time-dilation ala relativity to dive into how societies, t…moreI would say that Forever War is more a "Hard" science-fiction, building from the concept of time-dilation ala relativity to dive into how societies, their technologies, and the stratagems of interstellar warfare change in a seemingly-abrupt way.

Old Man's War is more "flight-of-fancy" and not really grounded in too much hard sci-fi. Also, the depth of the characters in Forever War far-far-far outweigh the shallow development in Old Man's War. Actually this is my main gripe about Old Man's War, and that all the characters are pretty much the same person, just in different bodies.(less)
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by John Scalzi (Goodreads Author)
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