Seven Sorcerers
John R. Fultz
Books of the Shaper (3)
Lucifer's Hammer
Larry Niven & Jerry Pournelle
The Magic of Recluce
L. E. Modesitt, Jr.
Recluce (1)
Cryptonomicon
Neal Stephenson
A Charge of Valor (Book #6 in the Sorcerer's Ring)
Morgan Rice
Sorcerer's Ring (6)