Fourth Mansions by R.A. Lafferty
The Byworlder by Poul Anderson
The Mind Master by Bernhardt J. Hurwood
Timeliner by Charles Eric Maine
Time Is the Simplest Thing by Clifford Simak
The Shadow of Alpha by C.L. Grant
The Time Machine by H.G. Wells
The Spacejacks by Robert Wells
The Shape Changer by Keith Laumer
Pstalemate by Lester Del Rey
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