LaVergne, TN and Minneapolis, MN – Lightning Source Inc. sm, a leading digital fulfillment company, and Digital River, Inc.® (NASDAQ: DRIV), a global Commerce Service Provider (CSP), today announced that they have entered a strategic partnership to offer a comprehensive suite of e-commerce services for the book publishing industry. Under the agreement, Digital River will offer its comprehensive e-commerce services in tandem with Lightning’s digital content fulfillment services. The partnership provides Digital River with a key point of access to publishers and booksellers while enhancing Lightning’s leadership in this market. The two companies will jointly sell this solution to book publishers and retailers.  “This partnership represents an important collaboration of two leading ‘enablers’ in today’s online marketplace,” said Ed Marino, president and CEO of Lightning Source. “By leveraging the combined expertise of Lightning and Digital River, book publishers, retailers and others now will have the opportunity to use the best tools available to develop and streamline their electronic distribution channels for digitally fulfilled content such as print-on-demand books and eBooks in one place.” “Book publishing is a dynamic and changing industry,” said Digital River CEO Joel Ronning. “Digital River is looking forward to participating in that industry by partnering with Lightning to offer our secure, reliable and creative e-commerce solutions to book publishers and retailers. Our commerce infrastructure can help these businesses effectively increase exposure for their products and dramatically extend their sales channels in innovative ways.” Through the joint agreement with Lightning Source, Digital River will provide e-commerce services including site design and hosting, transaction management, e-marketing and customer service. Clients outsource their e-commerce operations to experts like Digital River to quickly and affordably establish an e-commerce presence.