In this paper, we present findings and design decisions arisen while designing a review sheet within the confines of a pre-existing digital textbook, AdaptiveBook. Through user studies, we found that instructors and students cited a lack of both context and integration as the major problems in current high-tech teaching and studying tools. Because research on electronic books indicates that metaphors "reduce users' cognitive load when navigating and acquiring information" [1], our design aims to address the lack of context and integration by creating an intuitive review sheet metaphor while leveraging the power of a digital medium. Keywords eBook, electronic book, instructional technology Related Work The XLibris's Reader's Notebook [3] consolidates user annotations made to a collection of electronic books. The interface addresses the uniqueness of each annotation by distinguishing between ink color, marking device (e.g. pen or highlighter), and other variable...