Our essay charts out the pedagogical, technological, operational, institutional, commercial, and theoretical implications of moving from a print-based casebook paradigm to an electronic course book model. Central to this venture is what we call the Conceptions Course Book (CCB), the law school course book of the future. That e-book is, as we discuss, the end product of an entirely new and sophisticated process of creating and distributing materials (textual, audio-visual, and interactive) to be used in law school courses. This process allows professors to develop (in an I-Tunes-like manner) their own custom-designed course books in efficient, economical, and innovative ways best suited to their pedagogical concerns. Unlike proposals for computer-based e-books, our CCB would be designed to take advantage of the unique opportunities offered by more advanced versions of e-readers such as Amazon's Kindle, the Sony Reader, or Apple's I-Pad.