@vintage_but_beyond_ordinary
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The Outward Urge
By John Wyndham and Lucas Parkes both names are pseudonyms for John Wyndham Parkes Lucas Beynon Harris
Ballantine Books 341K, Oct 1959
Cover art by Paul Lehr
143 pgs., 35 cents
Novelettes.
Hard science fiction about space exploration, providing about 200 years of future history.