Author of the Fifty Shades Trilogy and other titles E L James will have her entire backlist distributed by Sourcebooks in print and ebooks starting April 1. James is the “keystone author” in a new imprint providing a “joint publishing model” to “entrepreneurial women authors who want to benefit from all that a top publisher has to offer, including powerful retail relationships and deep distribution channels.” The company says the role line will let “established entrepreneurial authors to take greater control in the creation, development and marketing of their books.” Pamela Jaffee will head publicity and marketing for the imprint. […]