Can You Prove It?
Isaac Asimov
Black Widowers (1)
The Driver
The Good Samaritan
The Intrusion
A Monday in April
Neither Brute Nor Human
The Phoenician Bauble
The Redhead
Sixty Million Trillion Combinations
The Woman in the Bar
The Wrong House
The Year of the Action
Unique Is Where You Find It
The Fourth Homonym
The Quiet Place
The Overheard Conversation
Edward D. Hoch
Puzzles of the Black Widowers
Black Widowers (5)
The Recipe
The Four-Leaf Clover
The Lucky Piece