Fertility Diet
Taking Charge of Your Fertility by Toni Weschler
The Fertility Diet by Jorge Chavarro
The Hormone Cure by Sara Gottfried
Fertility Cycles and Nutrition by Marilyn Shannon

General Healthy Eating
Fat Chance: Beating the Odds Against Sugar, Processed Food, Obesity, and Disease by Robert Lustig

Fat Chance Cookbook: More than 100 Recipes Ready in Under 30 Minutes to Help You Lose the Sugar and the Weight by Robert Lustig

Breaking the Sugar Habit: Practical Ways to Cut the Sugar, Lose the Weight, and Regain Your Health by Margaret Wertheim

Real Food: What to Eat and Why by Nina Planck

In Defense of Food by Michael Pollan

Eat Q: Unlock the Weight Loss Power of Emotional Intelligence by Susan Albers

The Hormone Cure by Sara Gottfried

The Environmental Working Group: Check out the cosmetics and cleaning products databases and guide to pesticides in produce.
National Resources Defense Council Guide to Mercury in Fish
Institute for Responsible Nutrition

Gluten Free
Anne Buzzelli, MS, RD has a great course on Udemy about Gluten:
Get Out of the Gluten Glut: Part 1 – Get to Know Gluten
Get Out of the Gluten Glut: Part 2 – How to go Gluten Free
Get Out of the Gluten Glut: Part 3 – Leaky Gut & Immunity

For RDs
CEU Exam for Breaking the Sugar Habit