I read this book once after purchasing it new, and then stored it in a bookshelf with a door. This book explains the importance of piano learning in raising children in the AI age. - Title: Piano Lessons Are a Weapon - Author: Yoshio Ouchi - Price: 1400 yen + tax - ISBN: 978-4-276-21233-6 - Content: Parenting Strategies for the AI Age Thank you for looking. (*^*)