Food Fix
Mark Hyman, MD
#1 bestselling author Mark Hyman explains how our food and agriculture policies are corrupted by money and lobbies that drive our biggest global crises: the spread of obesity and food-related chronic disease, climate change, poverty, violence, educational achievement gaps, and more.
The Brain Warrior's Way
Daniel Amen, MD
and Tana Amen, BSN, RN
Dr. Amen is a double board-certified psychiatrist, professor and brain health expert. This book is about "how to ignite your energy and focus, attack illness and aging, and transform pain into purpose." This guy is awesome. Go here to learn more: http://danielamenmd.com/.
Eat Dirt
Dr. Josh Axe
Dr. Axe's book is another source of great information. And you can look up pretty much anything health- or food- or supplement-related and find it here: https://draxe.com/

Solve for Happy
Mo Gawdat
Mr. Gawdat's book is a unique, logical approach to a happy mindset. It's had quite an impact on Susan and several of her friends. Try it out.