There's also a thousand variations on the theme of tidally locked planets in science fiction: from Larry Niven's (of Ringworld fame) world Jinx which was tidall

There's also a thousand variations on the theme of tidally locked planets in science fiction: from Larry Niven's (of Ringworld fame) world Jinx which was tidally locked to a gas giant, right back to Stapledon's Star Maker from 1937, which features a habitable planet tidally locked around a red dwarf.