Poul Anderson

Time and Stars is a collection of science fiction short stories by Poul Anderson, published in 1964. "Dangerous universe: Faced with machines that think by and for themselves, super-intelligent space beings bent on a suicidal course and a galaxy teeming with dangerous alien life, man had to invent new weapons, new …

A Midsummer Tempest is an 1974 alternative history fantasy novel by Poul Anderson. In 1975, it was nominated for the World Fantasy Award for Best Novel and the Nebula Award for Best Novel and won the Mythopoeic Award.