Belgariad 2: Queen of Sorcery by David Eddings
Legends tell how Belgarath the sorcerer and his daughter Polgara defeated the evil God Torak, imprisoning him in an endless sleep. But now a priest of Torak is racing to his God with the Orb of Aldur and is racing to reawaken him. Belgarath and Polgara are on his trail. With them is Garion, a simple farm boy only months before. And with each league the group travel, the power of sorcery is growing in Garon . . .