The book "The Brain of a Child Who Can Concentrate Properly is Decided by Age 10" (PHP Institute) by Shigeyuki Hayashi falls under the genres of education and childcare (child education, brain science/education). It's a practical educational book for parents that explains how to develop concentration in children up to age 10, based on the findings of brain science and tailored to their brain development. Author: Shigeyuki Hayashi Genres: Education/Childcare, Brain Science/Psychology, Child Education Content: A practical guide introducing how to enhance concentration during the period when the network of brain nerve cells dramatically increases. Please purchase with the understanding that this is a used item. #Education #Childcare #Shigeyuki Hayashi #PHP