im a piers anthoy fan and his incarnation of immortality series is his known magnus opa but the geodesy serries is the real one. foundation was isaac asimovs but he ends up sorta combining a bunch of his work into all one mega world. his ip is really undervalued. nine princes of amber for zelazny. The Chronicles of Thomas Covenant, the Unbeliever for donaldson. river of the dancing gods is neat. oh there are many really