Focus: Think Faster, Train Your Brain, and Become More Productive

This is a 2-book combo, which has the following titles:

Book 1: This book covers a variety of topics, all interrelated and all somehow connected to our ability to concentrate on the most important tasks we have. Many people suffer from being distracted, from going from one thing to another, and never getting much done. Today, we tackle those problems with some inspiring insights.

First, we'll talk about how to improve your concentration skills and memory. This lies at the heart of the book...