"Short stories have to accomplish a nearly impossible magic trick: to introduce a world often much stranger than our own and make you care about it in a matter of pages," writes R. F. Kuang in her introduction. "The most important part of this magic trick is just a willingness to get weird." The stories in The Best American Science Fiction and Fantasy 2023 are brimming with bizarre and otherworldly premises. Women can't lie or fall in love. Fathers...