A set of two books that teach presentation techniques useful for business and self-whitening know-how. - Title: Earn Money with White Teeth!! Self-Whitening Salon - Author: Takaya Sato - Title: Presentation Techniques That Sell Amazingly Well - Author: Tetsuya Kawakami [Greeting] The "product in the photos" will be delivered. Even if there are errors in the product name or description, we will deliver the product in the photos, so please check the photos. [Shipping and Packaging] - Will be shipped anonymously within 3-7 days. - Simple packaging. [About Combined Purchases] - If you purchase multiple items, we can offer a discount of the shipping cost + α!