The Puppet Masters
Earth was being invaded by aliens and the top security agencies were helpless: the aliens were controlling the mind of every person they encountered. So it was up to Sam Cavanaugh, secret agent for a powerful and deadly spy network, to find a way to stop them--which meant he had to be invaded himself!
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LibraryThing ReviewUser Review - ikeman100 - LibraryThing
This is one of my favorite early Heinlein books. Other writers wrote similar themed books but his almost casual style and fun ideas make this great. Read full review
LibraryThing ReviewUser Review - GlenRH - LibraryThing
This moved fast enough to keep me reading. It is the predecessor of G'oaulds and Souls, but is kind of a cross between the two. It is a bit dated, and the social politically correctness just isn't ... Read full review