Who Ya Gonna Call Med Service! Scattered through the galaxy are thousands of worlds colonized by humans. Many have native microbes dangerous to the human immigrants. Others have diseases brought to them accidentally - or on purpose - by visiting ships. When millions of lives are threatened...

Altruistic space pirates, nuclear-powered djinn, a time-travelling kangaroo - and more.... Three complete novels of humorous adventure, one of them a Hugo Award finalist, plus a trio of witty short stories with the distinctive Leinster touch. The Pirates of Zan - When a young man is accused...

Two complete novels by the critically acclaimed science fiction master includes the Hugo Award-winning The Planet Explorer, in which the fate of the colonies across the galaxy rests in the hands of a single man, and The Forgotten Planet, in which the crew and passengers of a marooned planet...

The Aliens by Murray Leinster is a gripping, high-stakes first-contact science fiction adventure from the golden age of the genre. Set during humanity’s expansion across the stars, the story follows the crew of the starship Niccola as they confront the mysterious and technologically advanced...

The Ambulance Made Two Trips by Murray Leinster is a riveting blend of hard-boiled crime and speculative science fiction. When Detective Sergeant Fitzgerald investigates a crime wave tied to racketeer Big Jake Connors, he uncovers more than just thuggery—he finds reality bending around a...