This boys' adventure story of Rebel scouts in the Civil War [Ride Proud, Rebel!] is undistinguished, with pedestrian style and prosaic dialogue…. Little dramatic conflict, tension, or suspense, and scant character development will not attract many readers. Attempts to set Southern dialect into type are unsuccessful; the "suhs" and "heahs" are distracting. Not recommended. (p. 1996)

Richard M. Buck, in Library Journal (reprinted from Library Journal, May 15, 1961; published by R. R. Bowker Co. (a Xerox company); copyright © 1961 by Xerox Corporation), May 15, 1961.

[Judgment on Janus] is "a science fiction novel," but in spite of its considerable flights of imagination, the flights into space are a less important part of it, and one feels that it scarecely gets into that category. It is an American story of uneven quality which improves in the second half of the book. In the earlier part the conversation belongs much more to the Wild West...