Dragonlance: Dragons of Deceit - Margaret Weis

Destina Rosethorn - as her name implies - believes herself to be a favored child of destiny. But when her father dies in the War of the Lance, she watches her carefully constructed world come crashing down. She loses not only her beloved father but also the legacy he has left her: the family lands and castle. To save her father, she hatches a bold plan - to go back in time and prevent his death.First, she has to secure the Device of Time Journeying, last known to be in the possession of the spirited kender Tasslehoff Burrfoot. But to change time, she'll need another magical artifact - the most powerful and dangerous artifact ever created. Destina's quest takes her from the dwarven kingdom of Thorbardin to the town of Solace and beyond, setting in motion a chain of disastrous events that threaten to divert the course of the River of Time, alter the past, and forever change the future.