【Product Description】 Thank you for looking. This is a book where you can learn marketing techniques based on human purchasing psychology. It clearly explains the "psychological triggers" that make people buy, with concrete examples, and can be widely used in sales, marketing, side businesses, and more. It has only been read once and was stored at home. There are no noticeable scratches or stains, and it is in relatively clean condition. 【Condition】 - No writing - No page folds - Minor scuffs on the cover *As this is a used item, please refrain from purchasing if you are concerned about minor details.