Guards! Guards!
Pratchett, Terry
Discworld (8)
All You Zombies
Robert A. Heinlein
Password Authentication with Insecure Communication
Leslie Lamport
Magic for Beginners
Kelly Link
Time Streams
J. Robert King
Artifact Cycle (3)
Bloodlines
Loren L. Coleman
Artifact Cycle (4)
Planeswalker
Lynn Abbey
Artifact Cycle (2)