Voyage of the Shadowmoon, by Sean McMullen
Tom O'Bedlam, by Robert Silverberg
This Fortress World, by James Gunn
The Shadow Dancers, by Jack L Chalker
Virtual Mode, by Piers Anthony
The Ring, by Piers Anthony and Robert E Margroff
Time Pressure, by Spider Robinson. 1st HC/DJ
The Time Bender, by Keith Laumer
With Fate Conspire, by Mike Shupp
The Man with a Thousand Names, by A E van Vogt
The Wizard of Linn, by A E van Vogt
The Patchwork Girl, by Larry Niven
The Light that Never Was, by Lloyd Biggle Jr
There Will be War 3, created by Jerry Pournelle. Blood and Iron
The War Against the Rull, by A E van Vogt
The Wizard of Anharitte, by Colin Kapp
This is the Way the World Begins, by J T McIntosh
The Red Tape War, Jack L Chalker, Mike Resnick, George Alec Effinger
The Mocking Program, by Alan Dean Foster
The Longest Way Home, by Robert Silverberg
The Ring of Ritornel, by Charles L Harness
The World Menders, by Lloyd Biggle Jr
Vigilant, by James Alan Gardner
The Loafers of Refuge, by Joseph Green