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