Chronicles the adventures of a club of men, the Black Widowers, who meet once a month for dinner at the Milano restaurant and attempt to solve a series of puzzles.

Sixty Million Trillion Combinations
The Woman in the Bar
The Driver
The Good Samaritan
The Year of the Action
Can You Prove It?
The Phoenician Bauble
A Monday in April
Neither Brute Nor Human
The Redhead
The Wrong House
The Intrusion