The Tithonian Factor and Other Stories. [first edition]

Hardcover first edition - First printing. His third collection of short stories - six stories with very different settings and moods: the title story "The Tithonian Factor" is set two hundred years in the future about a group of sempeternals who a hundred years of more ago had taken a drug which gave them a form of immortality, "Brothers" is a grim and violent tale of a repressive government. Also included are "Incident at Huacaloc" set in Peru, "What Did the Deazies Do?", "The Scent of Silverdill" and "A Message to the King of Brobdingnag." 150 pp. Ex-library with the usual markings, but overall tight and clean - appears unread - in a fine unmarked example of the distinctive yellow Gollancz dust jacket.