Books in the field of nutrition that I have personally read and found to be educational, providing reliably sourced information in a way that can be easily understood
The Case Against Sugar by Gary Taubes
Grain Brain by David Perlmutter
The Big Fat Surprise: Why Butter, Meat and Cheese Belong in a Healthy Diet by Nina Teicholz
The Omnivore’s Dilemma by Michael Pollan
The Calorie Myth by Jonathan Bailor
Eat the Yolks by Liz Wolfe
How to Conceive Naturally: and Have a Healthy Pregnancy After 30 by Christa Orecchio and Willow Buckley