Other Possible Formats Overview One of the essential components of any e-book publishing program is its ability to keep up with constantly changing technology and evolving reader taste, preference, and expectation. The History E-Book Project therefore anticipates an evolving selection of user interfaces that will keep abreast of such change. Working with DLPS, the Project has decided to employ a type of master file for its web site that will allow easy and constantly updatable translation into a variety of possible formats. What follows below is a discussion of the potential and the drawbacks of several present and future possibilities for the distribution and use of the e-books published in the History E-Book Project. See CD-ROM and DVD Web-CDs Downloadable E-Books and Open eBooks