In response to the acquisition of various e-book packages by individual campuses, the University of California Libraries’ Collection Development Committee charged a task force in June 2007 to develop principles to integrate the acquisition of e-books into existing system-wide collection development activities. Based on the work of the task force to date, this article will discuss the current state of e-book implementation on the University of California campuses as well as the draft “Principles for Acquiring and Licensing E-book Packages and Services” developed by the task force.