Book of Lost Spells - Pathfinder
Ask any wizard. There's no such thing as too many spells. This massive compendium of magical mayhem ought to satisfy even the most discerning necromancers and thaumaturgists, and they aren't easy to please (especially the necromancers). Weighing in with a total of 708 spells, the Book of Lost Spells is a vital resources for anyone wanting to add a bit more mystery to the magic of the Pathfinder Role Playing Game