Borderlands, the bookstore-café that has been home to an eclectic collection of science fiction, fantasy, mystery and horror fiction books for the last 18 years in San Francisco, is closing in March. The news comes just over a week after another Mission bookstore, Valhalla Books, said it would be closing in February or March, as reported by Mission Local. Borderlands, in a long announcement on its website, cited challenges posed from the "steady movement towards online shopping" - note, Amazon…
