Customer Review

Reviewed in the United States on August 3, 2017
With so many distractions in the world, cell phones, computers, social media, I found myself becoming more forgetful and unable to focus. This book helped me train my brain and become more cognitively inclined. Definitely a good read!
One person found this helpful
0Comment Report abuse Permalink

Product Details

4.0 out of 5 stars
4 out of 5
39 global ratings