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Review title: Yet again, it's us versus THEM
Product review: Not a bad book, although it's starting to get a little far-fetched as the series leaves us on a cliffhanger waiting for the fifth book. The aliens' psych is the weakest link in believability. If they're really as slow to adapt to new situations and ideals as Turtledove portrays them to be, then they wouldn't be able to make any sort of a match for humans in combat. Despite some of the logical shortcomings in the series, it is pretty good pulp. If it doesn't end by the fifth book, though, I'm gonna give up hope of finishing the series.
