Isaac Asimov

Casebook of the Black Widowers is a collection of mystery short stories by American author Isaac Asimov, featuring his fictional club of mystery solvers, the Black Widowers. It was first published in hardcover by Doubleday in January 1980, and in paperback by the Fawcett Crest imprint of Ballantine Books in March …

Cailloux dans le ciel est un roman de science-fiction de l'écrivain Isaac Asimov publié en 1950.