Tome of Obscure Arcana

From the introduction: A supplement to add more magic to the Realms. This supplement introduces Rune and Truename magic by adding 4 new subclasses: School of Rune Mastery, an Arcane Tradition Runic Knight, a Martial Archetype College of Truename Keepers, a Bardic College The Celestial, an Otherworldly Patron.