H J Campbell
(Herbert J Campbell)
(b.1925)aka Roy Sheldon
Novels
Beyond the Visible
Brain Ultimate
Chaos in Miniature
The Last Mutation
Mice - or Machines
Once Upon a Space
World in a Test Tube (1951)
Moment Out of Time (1952) (as by Roy Sheldon)
Another Space, Another Time (1953)
Atoms in Action (1953) (as by Roy Sheldon)
House of Entropy (1953) (as by Roy Sheldon)
The Red Planet (1953)
The Metal Eater (1954) (as by Roy Sheldon)
Brain Ultimate
Chaos in Miniature
The Last Mutation
Mice - or Machines
Once Upon a Space
World in a Test Tube (1951)
Moment Out of Time (1952) (as by Roy Sheldon)
Another Space, Another Time (1953)
Atoms in Action (1953) (as by Roy Sheldon)
House of Entropy (1953) (as by Roy Sheldon)
The Red Planet (1953)
The Metal Eater (1954) (as by Roy Sheldon)
Anthologies edited
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