IMAGE DISPLAY SYSTEM, IMAGE READER, AND IMAGE DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide an image display system, image reader, image display device for improving convenience in an image file for storing image data based on a spread manuscript.SOLUTION: At first, a spread manuscript is read. Then, a left page area and a right page area are discriminated concerning the image data of the read spread manuscript. A file is generated, where identification information for identifying the mutual positions of the left page area and the right page area respectively is stored in association with the image data of the respective areas. When an image stored in the file is displayed, the image stored in the file is displayed by identifying the respective page areas in accordance with the identification information.