“A Problem of Numbers”
1970-05-00
short story
By Isaac Asimov

Alternate Titles:
“As Chemist to Chemist”

Synopsis

History

First publication: Ellery Queen’s Mystery Magazine, May 1970

Review

Videos

We have the story in these editions:

Isaac Asimov’s Science Fiction, November-December 1978, edited by George H. Scithers, magazine, Davis Publications, 1978-11-00