H. Beam Piper

Space Viking

The Cosmic Computer

Space Viking

Uller Uprising

Four-Day Planet

Murder in the Gunroom

Crossroads of Destiny: The Stranger From Another America

Time and Time Again

Time Crime: An Epic Science Fiction Adventure of Trans-Dimensional Crime, Alternate History, and the Elite Paratime Police Protecting the Multiverse.

Science Fiction Shorts Volume 5 (Unabridged)

Lord Kalvan of Otherwhen (Annotated) (Unabridged)

Uller Uprising (Unabridged)