To solve the problem that in a search method by visual confirmation of a tab or sticky note with a projection or a bookmarker which is projected from a booklet, the tab or the like can be dislocated or deformed, and it is difficult for a person having a handicap of sight to perform heading since the tab or the like is hardly discriminated unless a search portion is searched.

The booklet 1 includes a discrimination part capable of being discriminated from other pages only by the touch of a finger, which is provided in a part 2 of a page to be headed. When there are a plurality of pages to be searched, the search efficiency is improved by changing the shape of a cutout or using a corner 3 differed from a corner 2 of the booklet.