The present invention is a bundle of post-its in the form of a booklet, the upper portion of the adhesive portion 10 is formed to be separated into a single sheet, each sheet forms a figure (1) including a map, a chart, etc. Memo unit (3) capable of memo is configured, wherein the figure (1) is characterized in that the pages are configured in that order according to the page order of the figure described in the textbook, the position where the adhesive portion 10 is formed It characterized in that the ring 2 is formed on one side, the post-it surface further comprises a cover 20, the cover 20 is characterized in that the recognition unit 11 for displaying the grade and the subject. At the bottom of the post-it, a page display unit 4 for displaying the number of pages of the post-it is formed, and a side of the post-it is formed with a text-page unit 5 for displaying the corresponding page of the figure shown in the textbook. Characterize;Post It, Textbook, Booklet
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