BOSKONE 55: DEDICATED SCI-FI CONVENTION CREW PREPS IN SOMERVILLE CLUBHOUSE Written by M.J. TIDWELL Posted February 14, 2018 Filed Under: A+E, Books This year’s annual NESFA convention, Boskone 55, promises a seriously eclectic mix. There will be Star Wars Mad Libs. There will be a Regency-era dance class, with costumes encouraged.