12. The computer readable medium of claim 11 , further comprising instructions that cause the computer to: display a page corresponding the one of the plurality of thumbnail pages in the editing mode at the zoom level.
11. The computer readable medium of claim 9 , further comprising instructions that cause the computer to: detecting a touch of a finger on the touch-screen selecting one of the plurality of thumbnail pages provided on the display; and in response to detecting the touch, toggle the view from the semantic zoom view to the editing view.