In the prior art, in electronic picture books having a functionality in which scrolling is performed such that an image seems to be moved when a screen is stroked by a hand, it has not been possible to achieve a special representation that greatly surprises the reader by using the scroll functionality. To solve this problem, provided herein is an electronic picture book in which a partial range of an image is displayed and a display range of the image changes due to the screen being stroked by a hand, shapes, colors, and special effects of element images sequentially change in coordination with change to the display range, and a manner and an extent of the change differ depending on the element image. Moreover, the shapes, colors, and special effects of these element images also undergo a different change in coordination with elapsing of time.