The Empires trilogy

The Empires Trilogy is a group of novels each written by a different author. Publications are by TSR, Inc. from 1990-1991. Beginning in the Endless Wastes and reaching to the eastern shores of Kara-Tur only to travel back to Faerûn.

The books are:
 * 1) Horselords by David Cook
 * 2) Dragonwall by Troy Denning
 * 3) Crusade by James Lowder