Electronic publications browsing device (1000), page structure data to retrieve the page structure data display object specifying unit that specifies the display target page, and the position and size of the display target region (1100), corresponding to the display target page display image data cache unit rendering section for generating display image data acquisition section (1200), corresponding to the position and size of the display target region (1300), to cache the display image data (1400), the rendering unit ( and a display control unit for displaying the position of the display unit on which is superimposed in the display target area, the display image data acquired display image data cache unit (1400) and (1500), or 1300).
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