Isaac Asimov

Tales 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 June 1974, and in paperback by the Fawcett Crest imprint of Ballantine Books in August 1976. The …

Exploring the Earth and the Cosmos is a book written by Isaac Asimov in 1982.