Magic, a power not completely understanded and a part of the Exalted that can only be mastered by the Solars. Magic is presented in everything around creation. Both on the Sorcery and Necromancy (the magic art of the Underworld), in the Artifacts created by Solars of new and of Old. And even in the very own power of the Gods.
Books of Sorcery is a series that deals with those powers. With entries regarding artifacts and craft in general. Gods, elementals, ghost and demons, as well as Spells.