① Sell Onigiri at the Bakery: A Thinking Method That Finds Unexpected Answers ② Please describe the appeal of bananas in 100 characters: 36 Rules of Communication That Anyone Can Master ③ Speak in 1 Minute: The Technique of Conveying Only the Important Things Simply, Praised by the World's Top Leaders ④ The Art of Delegating ※ The following are the areas with poor condition: ① Approximately 10 fold marks on the top of the page (Image 7) ② Approximately 3 fold marks on the top of the page (Image 8) and a little dirt on the bottom side (Image 9) ③ Dirt and damage on the side (Images 10-12) ④ Damage on the side and the last page (Images 13, 14) Apart from the above, all four books are in clean condition without any noticeable stains or damage. There are no writings. ① is the first edition. #Naofumi Kakiuchi #Yoichi Ito #Wataru Yamamoto #Books #Society/General