Five science fiction books that matter

Robin Sloan is author of the e-book Ajax Penumbra 1969 and the novel Mr. Penumbra’s 24-Hour Bookstore.

At The Daily Beast he shared his five favorite books from science fiction, which he calls his essential genre. One title on the list:Dune by Frank Herbert.

OK, you don't need me to tell you to read Dune. Except maybe you do! Maybe you're like I was: you know it's a classic, and yet there your