This book introduces new common knowledge about raising children and proposes educational drills and methods for improving reading comprehension. I purchased this item new and have stored it at home. There is some staining on the obi (sleeve). - Title: The Best Way to Raise Smart Kids - Author: Yuji Hayakawa - Publisher: SB Creative - ISBN: 978-4-7973-6313-7 - Contents: New common knowledge about raising children, educational drills, methods for improving reading comprehension, etc. Thank you for looking.