The Runaway Dragonrider: Book 1 of the White Dragon Trilogy from the World of Gold Magic

After the Circle of Dragon Lords votes that Zamisha and the white dragon, Timotha, should be unbound, Zamisha and the White leave the Valley of Dragons in hopes of finding a new home for her, her unborn son, and Timotha. She discovers the reasons that the Dragon Lords left the Kingdoms of Men in the first place – the Kingdoms fear dragons! Her only hope is to find a safe haven before her son is born.