Thank you for viewing!! This is a set of 4 books that teach about work and relationships in the workplace. ◎ Useless Subordinates, Cute Subordinates : Kenichi Arai ◎ People Who Rot the Workplace : Tamami Katada ◎ People Are All "Multiple Personalities" ~ The Technique of Talent Development That No One Has Ever Spoken About : Hiroshi Tasaka ◎ The "It's Faster If I Do It Myself" Disease : Hiroshi Ogura 〈Condition〉 Regarding "Useless Subordinates, Cute Subordinates," there are about 10 places marked with red pen as shown in the image. Other than that, there are no writings, noticeable stains, or tears. ↓↓↓↓↓↓ Including the above points, please understand that these are used items due to home storage and amateur inspection, and we would appreciate it if you could purchase them.