Once a month, the seven members of the Black Widowers Club gather for dinner at their favourite restaurant. To each dinner a guest is invited, and each guest has a problem too large and complex to solve on his own. This is the fifth collection of the "Black Widowers" stories. Publisher: Transworld Publishers Ltd Author(s): Isaac Asimov Number of pages: 272 Publication date: 1991 Dimensions: 177 x 106 x 19 Cover type: Paperback / softback