Isaac Asimov

Four men and a woman are reduced to a microscopic fraction of their original size, sent in a miniaturized atomic sub through a dying man's carotid artery to destroy a blood clot in his brain. If they fail, the entire world will be doomed.

View from a Height is a collection of seventeen scientific essays by Isaac Asimov. It was the second of a series of books collecting essays from The Magazine of Fantasy and Science Fiction, written between 1959 and 1962. It was first published by Doubleday & Company in 1963. The collection includes the essay "By …