Paratime Parasites contains a new introduction to Paratime, four never before published Paratime stories by John F. Carr and all of H. Beam Piper's Paratime stories except "Time Crime" and the Lord Kalvan yarns. Newer stories include: "Paratime Parasites," a story about a conveyor missing for 10,000 years and Verkan Vall's efforts to find out what happened to the original Paratime Survey Team. "Back From the Dead, a story about a man who returns from the dead only to find himself in his twelve-year-old body. "Paratime Paradox," where an outtimer threatens the Paratime Travel secret itself through his dreams. "The Transtemporal Man," a story about what happens when an outtimer suddenly appears with the ability to transpose to different timelines without a transtemporal conveyer. This is one collection you do not want to miss.