A far off Earth colony under threat of alien invasion in the next few years sends a one man envoy to Earth. Only to find them staid and completely toothless, in fact on the verge of being taken over by a nearby colony.
A nice stable society has left one group of advanced scholars time to tinker. So much so, they have come up with a time travel device. Which can be handy for outwitting your enemies by looping yourself through multiple timelines and having several of you. Or shifting enemy fleets to no longer be a problem.
3.5 out of 5