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Ultimatum in 2050 A.D.

Jack Sharkey

First published June 1963
Type Short Fiction
Length Novella

Estimated at well below 36,000 words

Date Publication Publisher Type Page
June 1963 Cover Amazing Stories, June 1963 Ziff-Davis Publishing Company MAGAZINE 6
July 1963 Cover Amazing Stories, July 1963 Ziff-Davis Publishing Company MAGAZINE 82
1965 Cover Our Man in Space / Ultimatum in 2050 A.D. Ace Books Omnibus 5|1005
August 1967 Cover Revolution um die Zukunft Pabel Chapbook 3
December 2010 Cover The Programmed People / Slaves of the Crystal Brain Armchair Fiction Anthology
December 2023 The Programmed People Project Gutenberg Chapbook |1
January 2024 Cover The Programmed People Wildside Press Chapbook
January 2024 Cover Black Cat Weekly, #123 Wildside Press MAGAZINE |5
March 2024 Cover The Programmed People Otbebookpublishing Chapbook
March 2025 Cover The Programmed People Anson Street Press Chapbook