I did quite the bender over the last few years and covered all of the (Frank Herbert) Dune novels, as well as most of Orson Scott Card's and the Ringworld serie

I did quite the bender over the last few years and covered all of the (Frank Herbert) Dune novels, as well as most of Orson Scott Card's and the Ringworld series. I highly recommend all of the Ringworld books if you haven't read them.