Best Science Fiction and Fantasy of the Year, Volume Thirteen

A librarian helps a desperate student find the door into a book; Sir Thomas Moore's head is stolen and a messy rescue ensues; a mother sells a piece of her memory so her daughter can afford an education.Science fiction is the story of what if and what comes next. It's more playful, more inclusive and more entertaining than it has ever been before and as the world falls apart around us, it offers u...