"These haunting tales of pity and terror and longing, firmly grounded in psychological realism and tightly plotted, transcend classification as fantasy or science fiction; they are literature of the highest order."

• commentary from the back cover of the Everyman Paperbacks edition

Stories in this collection:

• "The Voices of Time"
• "The Sound-Sweep"
• "The Overloaded Man"
• "Thirteen to Centaurus"
• "The Garden of Time"
• "The Cage of Sand"
• "The Watch-Tower"
• "Chronopolis"