More about 'Summers, Leo (Summers, Leo Ramon)'

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Science fiction, American -- Periodicals. 4

Science fiction, American. 4

Extraterrestrial beings -- Fiction. 3

Space flight -- Fiction. 3

Fantastic Fiction. 2

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Hallucinations and illusions -- Fiction. 2

Hallucinogenic drugs -- Fiction. 2

Mars (Planet) -- Fiction. 2

Religious fanaticism -- Fiction 2

Slavery -- Fiction. 2

Telepathy -- Fiction. 2

Dictatorship -- Fiction. 1

Dueling -- Fiction. 1

Dune (Imaginary place) -- Fiction. 1

Life on other planets -- Fiction. 1

Magic -- Fiction. 1

Murder mysteries. 1

Penal colonies -- Fiction. 1

Politics and war -- Fiction. 1

Space warfare -- Fiction. 1

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