Sci-fi novel of a physics professor grappling to resolve a problem from 10,000 years in the future, triggering a series of violent events.
Serialized originally in 3 parts: Dec. 1963, Jan. 1964, April 1964 editions of The Magazine of Fantasy and Science Fiction.
We use cookies to enable remarketing through Google Analytics. This allows us to show you relevant advertising based on your previous visits to our site. Do you agree to the use of cookies for remarketing?