The reason why a chalk factory where 70% of the employees have intellectual disabilities is called "the company that Japan wants to cherish the most." A moving non-fiction book. - Title: Rainbow-Colored Chalk - Author: Narumi Komatsu - ISBN: 978-4-8449-7904-8 - Publisher: Gentosha - Price: 1300 yen Thank you for viewing. There are some slight creases and stains on the cover. Please purchase with your understanding.