In Sylvan Shadows — R.A. Salvatore

Cadderly, the Edificant Library's eccentric young scholar-priest, has survived his first adventure, but the chaos curse is just the beginning of Castle Trinity's plans for regional conquest. Cadderly and his friends must save the inhabitants of the beautiful elven forest, Shilmista, where a new opponent leads an army of vile monsters. Not even Cadderly's powerful companions can insulate him from the trials of character and courage that he must face.