UUpgrade Your BreathUpgrade Your Breathde Logan ChristopherEdiciones (1)Upgrade Your Breath (2016)CreateSpace Independent Publishing Platform · inglés · ISBN 9781523414079Más obras de Logan ChristopherZZombie XZombie XMental Muscle, How to Use the Full Power of Your Mind to Develop Superhuman StrengthUUltimate Guide to Bodyweight Squats and PistolsUltimate Guide to Bodyweight Squats and Pistols