I read it once and then stored it at home. It's in beautiful condition. This book introduces 58 ideas to promote learning through play with children. - Title: How to Play with Children to Make Them Smarter - Author: Daisuke Ogawa - ISBN: 978-4-797-84808-1 - Target age: 2 years old to 3rd grade - Price: 1400 yen (excluding tax) Thank you for looking.