"What is the book (or books) you've given most as a gift, and why? Or what are one to three books that have greatly influenced your life? Man's Search for Meaning by Viktor E. Frankl. He introduces the insights that he learned from surviving imprisonment in a Nazi concentration camp. He outlines methods to discover deep meaning and purpose in life. The Tao Te Ching by Lao Tzu. His 81 Zen teachings are the foundation for the religion of Taoism, aimed at understanding "the way of virtues." Lao Tzu's depth of teachings are complicated to decode and provide foundations for wisdom. Mind Gym by Gary Mack is a book that strips down the esoteric nature of applied sport psychology. Gary introduces a variety of mindset training principles and makes them extremely easy to understand and practice. What purchase of $ 100 or less has most positively impacted your life in the last six months (or in recent memory)? A book for my son: Inch and Miles, written by coach John Wooden. We read it together on a regular basis. The joy that I get from hearing him understand Coach Wooden's insights is fantastically rewarding."