Rittenhouse Book Distributors (rittenhouse.com) today announced the integration of all R2 eBooks titles into the company’s comprehensive approval plan service. Clients now have the option to acquire discipline-specific titles in wither print or electronic format though a unified approval plan with Rittenhouse. The R2 Digital Library, Rittenhouse’s eBook platform, is uniquely suited to allow title-based approval plan selections. Librarians build their R2 collection one-title, one-user at a time, based on specific subject area. Once added to a collection, the title is a fully integrated part of the database.