You pose a difficult question Macros the Lizardman, as the entire Riftwar Cycle up till the Serpentwar is enjoyable to me. Especially the first half of serpentwar, and everything before that including the Empire series. But the first book that springs to mind is Silverthorne.
That said, welcome to the Hall of Worlds and enjoy your stay. If you want, introduce yourself at the Entrance, because we always like to meet new people!