Query: what are some 1940 science fiction novels?
Domain: books
Relevant documents:
Typewriter in the Sky
The Invention of Morel
Slan
Kallocain
Synthetic Men of Mars
Evidence from documents: Typewriter in the Sky: ''Masters of the Occult'' author Daniel Cohen noted the book contributed to Hubbard's reception among influential science fiction authors of the 1940s
The Invention of Morel: '''''La invención de Morel''''' (; 1940) — translated as '''''The Invention of Morel''''' or '''''Morel's Invention''''' — is a novel by Argentine writer Adolfo Bioy Casares. It was Bioy Casares' breakthrough effort, for which he won the 1941 First Municipal Prize for Literature of the City of Buenos Aires. He considered it the true beginning of his literary career, despite being his seventh book. The first edition cover artist was Norah Borges, sister of Bioy Casares' lifelong friend, Jorge Luis Borges.
Slan: Slan''''' is a science fiction novel by American-Canadian writer A. E. van Vogt, as well as the name of the fictional race of superbeings featured in the novel. The novel was originally serialized in the magazine ''Astounding Science Fiction'' (September–December 1940). It was subsequently published in hardcover in 1946 by Arkham House, in an edition of 4,051 copies
Kallocain: '''''Kallocain''''' is a 1940 dystopian novel by Swedish novelist Karin Boye that envisions a future of drab terror.
Synthetic Men of Mars: science fiction novels: '''''Synthetic Men of Mars''''' is a science fantasy novel by American writer Edgar Rice Burroughs, the ninth of his Barsoom series.
1940: 9. The first complete edition of the novel was published in 1940 by Edgar Rice Burroughs, Inc.