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Richard David Carson -- Taming Your Gremlin: A Surprisingly Simple Method for Getting Out of Your Own Way (amazon)

Emile Coué -- Self Mastery Through Conscious Autosuggestion (amazon)

Angela Duckworth -- Grit: The Power of Passion and Perseverance (amazon)

William Duggan -- Strategic Intuition: The Creative Spark in Human Achievement (amazon)

Greg Everett -- Tough: Building True Mental, Physical & Emotional Toughness for Success & Fulfillment (amazon)

Emily Fletcher -- Stress Less, Accomplish More: Meditation for Extraordinary Performanc (amazon)

Stewart Elliott Guthrie -- Faces in the Clouds: A New Theory of Religion (amazon) 

Gary A. Klein -- Streetlights and Shadows: Searching for the Keys to Adaptive Decision Making (amazon)

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

Elaine Morgan -- The Scars of Evolution: What our bodies tell us about human origins (amazon) 

Gabrielle Roth -- Sweat Your Prayers: The Five Rhythms of the Soul -- Movement as Spiritual Practice (amazon) 

Martin Seligman -- Learned Optimism: How to Change Your Mind and Your Life (amazon)