Here is a superb collection of short stories from the acknowledged master of the full-length science fiction novel. And each of these stories further proves he is as masterly in this new field. Included are the first tales of interplanetary adventure, such as "The First Martian" and "The Earth Killers." And those strange productions of the mind like "The Ultra Ship," "The Replicators," and "The Cataaaaa." Van Vogt's latest successful paperbacks include The Weapon Makers, Children of Tomorrow, and The Battle of Forever.