In the President's Secret Service
Ronald Kessler
Quest for the Well of Souls
Jack L. Chalker
Well of Souls (3)
The Ecologic Envoy
L. E. Modesitt, Jr
Ecolitan (1)
The Ghost Brigades
John Scalzi
Old man's war universe (2)
Last Scene Alive
Charlaine Harris
Aurora Teagarden (7)