"Collection of Fun Math Class Ideas, Volume 6: Problem Solving" Supervised by Shigeo Katagiri / Yoshio Kaji Price: - #ShigeoKatagiri #YoshioKaji #Books #Society/Education/Learning Thank you very much for looking! Purchased from a used bookstore. Please see the photos for the condition m(_ _)m There are scratches and damage due to aging. Get it quickly!