"Stanford-Style Best Sleep" 1500 yen + tax Seiji Nishino "Sage's Sleep to Quickly Relieve Brain Fatigue" 1400 yen + tax Mentalist DaiGo Condition: Purchased from a used bookstore in 2025. I chose clean copies at the time of purchase. "Sage's Sleep" has several folded corners at the top of the book, which I have restored. Therefore, the condition of the product is listed as "slightly damaged/dirty," but the inside is in good condition. Although it is a used item, there are no stains that would be a problem when reading the text. ● Cover: Yes ● Sun damage: None ● Creases: None ● Scratches: Fine scratches on the cover ● Folds: Present in "Sage's Sleep" There were several folded corners at the top of the book, but I have restored them. ● Writing: None ● Other notes: You can purchase this item immediately. Please consider this item with the understanding that it is a used item. (There may be oversight in the condition.) [Shipping method] Yu-Yu Mercari Mail I will use Yu-Packet Post. I will wrap the books in vinyl, pack them in a kraft envelope, and drop them in the mailbox. (I will inform you of the mailbox collection time after dropping them off. No reply is needed.) Also, for smaller items, it may be a Yu-Packet Post mini dedicated envelope.