Sonny Software today released Bookends 7, a Mac OS X compatible version of its full-featured bibliography/reference and information management software. Bookends allows users to import references from hundreds of on-line sources into a personal database, integrating with Microsoft Word and Nisus Writer to create publication-ready bibliographies. Bookends 7 sells for US$99, with a $30 discount for students. Upgrades are free to version 6 users and cost $49 for earlier versions.