An electronic book includes a book-shaped housing having a first housing member pivotably connected to a second housing member to open and close in a book-like manner. A touchscreen displays a page of the text represented by the machine-readable data. A user-initiated event selecting a portion of the text is received by the touchscreen. The touchscreen displays the portion of the text in a highlighted form. The processor stores an indicator of the portion of the text to be highlighted in the removable machine-readable storage medium to remain with the text when the removable machine-readable storage medium is removed from the electronic book.