A fearful journey across the scorching bright side of the planet Mercury, a strange invasion from another dimension, a disastrous mining operation in the Venusian mud, a frightening training course for a future starship pilot, these are only a few of the remarkable science ficiton adventures you will encounter in this book. Some of these stories are breathlessly exciting, some are charged with suspense, and some are happily humorous. But all of them are first and foremost good science fiction, the cream of this popular author's stories from the pages of Astounding Science Fiction, Galaxy Science Fiction, and other leading SF magazines.