24. The electronic device according to claim 17 , wherein the control circuitry displays a number of pages remaining in current chapter C of the electronic book.
24. The electronic device according to claim 17 , wherein the control circuitry displays a number of pages remaining in current chapter C of the electronic book. 25. The electronic device according to claim 24 , wherein the control circuitry displays the number of pages remaining in a pop-up box on the display screen of the electronic device.