What novel by James H. Schmitz involves a type of theoretical or fictional entity existing in a dimension beyond our own?
The Witches of Karres The Witches of Karres is a space opera novel by James H. Schmitz. It deals with a young space ship captain who finds himself increasingly embroiled in wild adventures involving interdimensional alien invaders, space pirates, and magic power. The story is unrelated to the "Hub" series of stories by Schmitz.
Ascension (science fiction) In science fiction, ascension is the fictional process of leaving the corporeal realm for a higher plane. This is often depicted as a transitional phase in the lifetime of an intelligent species, after which they then play no further part in the physical universe, as if they had disappeared.