Rebecca recommended these books:
Gittleman, Ann Louise. The Fat Flush Plan. [613.2 GIT].
Schwarzbein, Diana. The Schwarzbein Principle: The Truth about Losing Weight, Being Healthy, and Feeling Younger. [613 SCH]
Sears, Barry. The Zone: A Dietary Road Map. [613.25 SEA]
And these websites: The Weston A. Price Foundation; The Natural Health Information Articles and Health Newsletter by Dr. Joseph Mercola.