Work
The Obvious Factor
Isaac Asimov · 1973short story
- Genre
- Theme
- Place
- Tone
- Audience
Also present
- Themefriendship
- Placebig city
Placement
- Black Widowers
- contained in Tales of the Black Widowerscollection
- contained in The Best Mysteries of Isaac Asimovcollection
- contained in The Return of the Black Widowerscollection