Six sci-fi novelists from SF Canada have united to serve as readers in an upcoming Sci-Fi Twitter Challenge at CBC Books: Canada Writes on Wed. Oct. 24. Matthew Hughes, Edward Willett, Hayden Trenholm, Alison Sinclair, Lynda Williams and Steve Stanton will compile a shortlist for publication from thousands of tweets during 12 hours from 9 am to 9 pm Eastern time. The theme of the Sci-Fi Odyssey Twitter Challenge will be released by Canada Writes on Wednesday morning to kick off the day. A surprise celebrity judge will decide the Final winner of an iPod Touch from the SF Canada shortlist. Other featured SFC authors during the Sci-Fi Odyssey include Cory Doctorow, Helen Marshall and Nina Munteanu. Visit CBC Books: Canada Writes for updates!