Ada Palmer is a science fiction writer and historian. She teaches early modern European history at the University of Chicago, and her Terra Ignota quartet, beginning with Too Like the Lightning, imagines the world of the 25th century. Ken Liu is an award-winning science fiction and fantasy writer, the author of the Dandelion Dynasty series and The Paper Menagerie and Other Stories, and most recently the author of All That We See or Seem, the first novel in his new series.