Breath, The Oxygen Advantage, Just Breathe 3 Books Collection Set:

Breath:
There is nothing more essential to our health and wellbeing than breathing: take air in, let it out, repeat 25,000 times a day. Yet, as a species, humans have lost the ability to breathe correctly, with grave consequences. In Breath, journalist James Nestor travels the world to discover the hidden science behind ancient breathing practices to figure out what went wrong and how to fix it.

The Oxygen Advantage:
In The Oxygen Advantage, Patrick McKeown combines his successful breathing exercises with techniques designed to simulate high-altitude training in a highly successful programme that will significantly improve anyone's health but will also empower athletes to improve their sports performance. These scientifically validated exercises have the potential to drastically improve your overall fitness, whether you are a habitual couch potato or an Ironman triathlon champion.

Just Breathe:
Hailed by Tony Robbins as the “definitive breathwork handbook,” Just Breathe will teach you how to harness your breath to reduce stress, increase productivity, balance your health, and find the path to spiritual awakening. Big meeting jitters? Anxiety over a test or taxes? Hard time focusing? What if you could control your outcomes and change results simply by regulating your breath?