An object of this invention is to provide an apparatus and method capable of printing part of a book file by designating the range. A setting user interface window is displayed from a print setting menu, a desired unit is selected from a print target column, and the range is designated in the selected unit. The designated range is printed including an original page within the designated range and another original page to be printed on the same paper sheet as that of the original page. The range can be designated by an entire book file, chapter, page, or booklet.