Training book with CD to enhance cognitive function. - Title: Sugoi Yasashii Cog-training (Amazing Easy Cog-training) - Accessories: With CD - Series Name: Cog-training Series - ISBN: 978-4-09-310734-3 - Contents: Cognitive function enhancement training ※ This belongs to a family member. It was only used once and is like new. The included CD was also only used once. ※ Please understand that this is a used book, so only purchase if you accept its condition. ※ Regular price: 2200 yen