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Stuart Brown, Christopher Vaughan -- Play: How it Shapes the Brain, Opens the Imagination, and Invigorates the Soul (amazon)

Eric Chalin -- Temple of Perfection: A History of the Gym (amazon)

Freeman Dyson -- The Scientist as Rebel (amazon)

Scott H Hogan -- Built from Broken: A Science-Based Guide to Healing Painful Joints, Preventing Injuries, and Rebuilding Your Body (amazon)

Tim Ingold -- The Life of Lines (amazon) 

Jim Loehr, Tony Schwartz -- The Power of Full Engagement: Managing Energy, Not Time, is the Key to High Performance and Personal Renewal (amazon)

Richard P. Feynman -- The Pleasure of Finding Things Out (amazon)