"When we think of science fiction and fantasy, we often think of two separate and distinct genres. But time has shown us again and again that the boundaries between the two genres aren't as strict as initially assumed. After all, what is space opera but basically fantasy in outer space?
That said, some books deliberately combine elements of science fiction and elements of fantasy to deliver something new. Enter the category of science-fantasy.
Whether it involves two parallel worlds, interstellar colonization that results in eschewing technology for magic, or scientific feats so mind-blowing that they resemble magic, science-fantasy combines some of the very best qualities of both parent genres.
Here are ten science-fantasy books that offer the very best of this genre-bending category."