【About the Author】 Dr. Ryuta Kawashima is an authority on brain training and an expert with numerous published works. 【Features of the Content】 This book is a brain training drill designed for busy adults. It contains many exercises that can be completed in a short time, allowing you to easily train your brain in your daily life. 【Target Audience】 Ideal for those who want to improve their concentration and memory. Performing these exercises before work can be expected to enhance performance. - Title: Brain Training Drills for Adults - Author: Ryuta Kawashima - ISBN: 978-4-7743-0756-4 - Price: 700 yen - Publisher: Kumon Publishing - Genre: Health/Medicine - Content: Brain training Thank you for viewing.