Thank you for viewing. I purchased this book a few years ago and read it once or twice before storing it on a bookshelf. While there are no noticeable scratches or stains, it is a used item, so please refrain from purchasing if you are at all concerned. Please understand that this item is stored and inspected at a private residence by an amateur, so please be understanding of any minor oversights. A book explaining the understanding and countermeasures for developmental disabilities. - Title: Developmental Disability Gray Zone - Author: Takashi Okada - Copies: Over 150,000 copies sold - Contents: Understanding and countermeasures for developmental disabilities