Another wonderful YALLFest author is here on the blog today! This time I’m featuring Sean Williams, author of so much Science Fiction and Fantasy that it makes my head spin! He’s also the author of the upcoming YA book, Twinmaker. You can be Improved…. In a near-future world in which technology can transport you anywhere instantly, can a coded note enable you to change your body—to become taller, stronger, more beautiful? Clair is pretty sure the offer is too good to be true. But her best friend, Libby, is determined to give it a try, longing for a new, improved…