Magic has suffused the Inner Sea region for thousands of years. This Pathfinder sourcebook takes a detailed look at the magical traditions of the Inner Sea including rules for magic variants (from hideous fleshwarping rituals to the wild and unpredictable surges of primal magic) examinations of how magic is taught (be it in schools temples guilds or secret societies) and how the spellcasters of the region have chosen to specialize in various forms of magic. Additionally this book presents two new oracle mysteries 18 new archetypes for spellcasting classes a pair of prestige classes (the cypher mage and the divine scion) and a wide selection of unique unusual and exciting new spells for all who would seek to master the art of magic.