BEA Launches and Relaunches: Next Big Book (Data); Bookperk Redux; Mediander; New Strategies from Electric Lit and Coffee House Press

Music data start-up Next Big Sound has launched their second product, Next Big Book — promising to “analyze social, sales, and marketing signals to help you make smarter, braver decisions.” The “big data” service puts information from social networks as well as publicity triggers and author events together with public and private sales data into…