A collection of qigong books explaining how to improve your mind and body and improve your fortune. These were collected when I was into qigong. Two books have no noticeable stains, but one has a stain as shown in the photo. - Titles: The Super Health Method of "Qi" to Rejuvenate the Body The Super Power of "Qi" to Bring Good Luck New Secrets of Tao - Authors: Myozi Hayashima, Tenrai Hayashima, Myocho Hayashima - Publishers: Nihon Bungeisha, Kosai-do Publishing - Price: 700 yen, 1600 yen, 1800 yen Thank you for looking.