For the mind:

http://www.amazon.com/Guide-Good-Life-Ancient-Stoic/dp/01953...

A Guide to the Good Life: The Ancient Art of Stoic Joy - William B. Irvine

Not only a description of the Stoic philosophy, which is, unfortunately, not very well known today, but also a great practical guide to a variety of techniques that can be included into daily activities easily, and will increase happiness.

For the body:

http://www.amazon.com/Overcoming-Gravity-Systematic-Gymnasti...

Overcoming Gravity: A Systematic Approach to Gymnastics and Bodyweight Strength - Steven Low

As I'm growing older (turned 40 last year), I'm no longer inclined to exercise with very heavy weights and was looking into replacing most of the barbell/dumbell exercises in my routine with bodyweight exercise. The book is a great encyclopedia of exercise that can be performed without or with minimal equipment. There are progressions, advice on creating routines, on injury prevention and management and a lot more. There is also a subreddit for those who follow the book http://www.reddit.com/r/overcominggravity

If you are interested in bodyweight training, check out this excellent book: http://www.amazon.com/Overcoming-Gravity-Systematic-Gymnasti...