Dragonlance Dragons of a Fallen Sun The War of Souls #1 Margaret Weis & Tracy Hickman 2000
The people of Krynn have known war in past ages. Some are still alive who remember the triumph of good at the conclusion of the War of the Lance. Still more remember the devastation of the Chaos War, which ended the Fourth Age of the world.
But now a new war is about to begin, more terrible than any have known. This war is one for the very heart and soul of the world itself.
The War of Souls.