This is a set of 6 practical psychology and self-help books by Mentalist DaiGo. Covering knowledge useful in all situations, from thinking methods and time management to interpersonal relationships. 【Set Contents】 The Forbidden Art of Manipulating People with Writing (Kanki Publishing) Psychology That's Gray, Almost Black (Diamond Inc.) Become a Super Pro Mentalist Who Controls Minds! (Co-authored by Simon & Winthrop / Takashi Publishing) Positive Change (Nihon Bungeisha) The Super Time Management Technique That Creates 40 Hours of Freedom a Week (Jitsumu Kyoiku Publishing) Super Networking Techniques That Even People with Communication Disorders Can Increase in 5 Minutes (Makino Publishing) 【Condition of the Product】 ・Overall in good condition, but please forgive some scratches and yellowing as they are used books. ・No page tears or writing found. #From Tou-chan's Bookshelf